One of the best smartwatches for 2025

Smartwatches do extra than simply monitor your steps and ship cellphone alerts to your wrist. One of the best smartwatches go even additional, supplying you with the flexibility to pay for a cup of espresso, take calls and hook up with apps like Spotify all with out whipping out your smartphone.

Likelihood is, when you’re studying this, you already know all the advantages of a smartwatch. You’re prepared to speculate, or improve from an growing older accent, however we wouldn’t blame you when you when you didn’t know the place to begin. There are dozens of smartwatches out there now, together with GPS running watches, fitness trackers that appear like smartwatches and multi-purpose units. Plus, you’ll wish to think about elements like sturdiness, battery life and working system earlier than you spend some huge cash on a brand new wearable. We’ve examined and reviewed most main smartwatches out there at present and these are our high picks.

Desk of contents

Finest smartwatches of 2025

Google / Engadget

Tracks: Sleep, exercise, energy, stress | Connectivity: Bluetooth, Wi-Fi, Mobile (optionally available) | GPS: Sure, in-built | Water-resistant: Sure | Assistant help: Google Assistant | Show: All the time-on Actua touchscreen | Weight: 31 grams | Battery life: 24 hours

Learn our full Google Pixel Watch 3 review

It solely took three iterations, however Google lastly obtained it proper with the Pixel Watch 3. It’s probably the most absolutely realized Pixel Watch but, and one which any Android fan would get plenty of use out of. The newest mannequin, which now is available in 41mm and 45mm sizes, has a barely bigger round show that’s brighter than ever and might attain as much as a 60Hz refresh fee. It might probably additionally drop down to only 1 nit of brightness if you’re sporting it to sleep, which not solely makes for a greater expertise general, but in addition contributes to its longer battery life. You’ll rise up to 24 hours out of the Pixel Watch 3, which is an enormous enchancment over the earlier era and extra consistent with competing units from Apple and Samsung.

The Pixel Watch 3 can be a terrific exercise monitoring machine, with options like auto exercise detection and customized operating plans, plus the flexibility to trace metrics like Cardio Load. There’s Fitbit smarts in right here, similar to in earlier Pixel Watches, so that you’re coated with regards to each day exercises, steps, sleep and extra. The one draw back to that is that when you’re excited by extra in-depth teaching, these options are hidden behind the Fitbit Premium paywall.

Whereas Put on OS 5 may use a bit extra polish, the combination with the Google Assistant on the Pixel Watch 3 is helpful so you should use voice instructions to test on issues like climate forecasts, calendar alerts, map instructions and extra. We additionally admire the addition of sooner charging on the Pixel Watch 3, so you’ll be able to go from 0 to 100 in a bit much less time than earlier than. That’ll come in useful when you’re actually eager on utilizing the watch as a sleep tracker. Total, the enhancements Google made on this version of the Pixel Watch helped push it over the sting as a worthy competitor to the Apple Watch and a high decide for Android customers in search of their subsequent wearable.

$270 at Amazon

Photograph by Valentina Palladino / Engadget

Tracks: Sleep, exercise, energy, stress, dozens of exercises | Connectivity: Bluetooth, Wi-Fi, ANT+ | GPS: Sure, in-built | Water-resistant: Sure | Assistant help: None | Show: 1.2-inch AMOLED with optionally available always-on mode | Weight: 39 grams | Battery life: 11 days in smartwatch mode, 19 hours in GPS mode

Garmin is thought for its prowess on this planet of health watches and the Garmin Forerunner 165 is the watch I examined that I needed to put on probably the most after I went out for a run. The experience of the Forerunner line is within the identify, and Garmin actually excels at making complete but pleasant GPS running watches in flavors that may go well with all types of athletes, from newbie to professional. The Forerunner 165 stands out with its light-weight design, vivid AMOLED touchscreen, easy button controls, correct built-in GPS and its means to trace exercise stats simply in addition to all-day exercise information.

Beginning a run with the Forerunner 165 is as simple as urgent a single button — the top-right button on the case actually has “run” embossed onto it, and it takes you to the exercise profile menu the place you’ll be able to select the train you wish to monitor. Run is the primary possibility, however you may have greater than 25 profiles to select from together with monitor run, treadmill, stroll, power, swim and extra. When operating outdoors, the GPS took a mean of 15-20 seconds to lock onto my location, however you don’t have to attend for it to take action — press the run button once more to start and the GPS will catch up by itself.

The Forerunner expertise has benefited vastly from the continual enchancment of the Garmin Join cell app. The beforehand clunky, complicated app has been effectively refined so to customise its homepage the exercise and exercise stats you care about probably the most, together with issues like Physique Battery, Sleep Rating, menstrual cycle info and extra. It’s simple to dive into your most lately tracked exercise and get within the weeds with tempo, cadence, coaching impact (cardio or anaerobic), energy and stamina stats.

Garmin places the battery lifetime of the Forerunner 165 at 11 days in smartwatch mode, and I discovered that to be largely correct even with a handful of GPS-tracked runs thrown in. The corporate claims you’ll rise up to 19 hours of battery life with steady GPS use, which needs to be sufficient for many runners and athletes competing in long-haul races. You may also get the 165 with music storage in-built or not, with the previous permitting you to retailer music regionally on the watch so you’ll be able to hear with a pair of Bluetooth headphones.

The Garmin Forerunner 165 will set you again $250 with out music storage, or $300 for the mannequin with music storage in-built. That’s on the decrease finish of the value spectrum for GPS operating watches; you might simply spend $500 or extra when you’re uncertain about what you want and what’s simply further fluff. Whereas Garmin does have a number of cheaper units, the Forerunner 165 strikes the correct stability of function set and value that may enchantment to seasoned runners and those that are simply diving right into a extra regimented operating routine.

$250 at Garmin

Amy Skorheim for Engadget

Tracks: Sleep, exercise, energy, dozens of exercises, antioxidant ranges, vascular load | Connectivity: Bluetooth, Wi-Fi, LTE (optionally available) | GPS: Sure, in-built | Water-resistant: Sure, 5 ATM + IP68 | Show: All the time-on, 3000 nits peak brightness | Battery life: 30+ hours

Learn our full Samsung Galaxy Watch 8 review

Samsung fully redesigned its wearable for 2025. The Galaxy Watch 8 appears to be like cleaner and extra refined — however extra importantly, it’s much more comfy. One other {hardware} enchancment bumps up the battery measurement, fixing one of many Galaxy Watch 7’s largest flaws. With that watch, the always-on show tanked the battery, however now you may get a full day after which some whereas sporting it.

With Put on OS 6, the watch beneficial properties a brand new tiles-based interface that makes navigating fast and straightforward. It additionally provides the help of Gemini, which may also help you management features and full duties in your watch simply by saying, “Hey Google” (simply notice that you simply’ll want a Gemini-compatible cellphone close by).

Well being and health additions embrace an antioxidant ranges metric and vascular load, which can assist some individuals preserve higher tabs on their well being. An AI-fueled operating steerage “coach” takes an evaluation of your jogging skills and tailors a program that can assist you run additional and sooner. We expect this may in all probability profit newbie runners probably the most — these accustomed to teaching could not discover it as helpful.

After all, that is solely a good selection for Samsung cellphone customers. And one other downside is the raised glass display screen, which appears destined for harm. However we are going to notice that you may keep away from that threat (and rating some severe heritage-watch fashion factors) by going with the Traditional variant of the watch. — Amy Skorheim, Senior Reporter

Professionals

• Remarkably comfy match
• Tiles interface is snappy
• New antioxidant degree and vascular load well being metrics could assist customers regulate their well being
• The operating coach will be inspiring for rookies
• Good Gemini integration
• Improved battery makes the AOD extra viable

Cons

• The raised glass display screen will be simply broken
• AI-running coach may very well be extra personalised
• Notifications are simple to overlook

$350 at Amazon

Fashionable smartwatches: Fossil and extra

Sure, there are nonetheless corporations on the market attempting to make “trendy” hybrid smartwatches. Again when wearables have been novel and customarily ugly, manufacturers like Fossil, Michael Kors and Skagen discovered their area of interest in fashionable smartwatches that took cues from analog timepieces. You even have the choice to choose up a “hybrid” smartwatch from corporations like Withings and Garmin – these units appear like basic wrist watches however incorporate some restricted performance like exercise monitoring and coronary heart fee monitoring. They continue to be good choices when you choose that look, however fortunately, wearables made by Apple, Samsung, Fitbit and others have gotten rather more enticing over the previous few years.

Finally, the one factor you’ll be able to’t change after you purchase a smartwatch is its case design. If you happen to’re not into the Apple Watch’s squared-off corners, all of Samsung’s smartwatches have spherical instances that look somewhat extra like a conventional watch. Most wearables are supplied in a alternative of colours and you may pay further for premium supplies like chrome steel for further sturdiness. When you resolve on a case, your band choices are limitless – there are dozens of first- and third-party watch straps out there for many main smartwatches, and for each bigger and smaller wrists, permitting you to vary up your look everytime you please.

Elements to think about earlier than shopping for a smartwatch

Compatibility

Apple Watches solely work with iPhones, whereas Put on OS units play good with each iOS and Android telephones. Smartwatches made by Samsung, Garmin, Fitbit and others are additionally appropriate with Android and iOS, however you’ll want to put in a companion app in your smartphone.

The smartwatch OS can even dictate the sort and variety of third-party apps you’ll have entry to. Many of those aren’t helpful, although, making this issue a reasonably minor one within the grand scheme of issues.

Value

One of the best smartwatches typically price between $300 and $400. In comparison with price range smartwatches, which price between $100 and $250, these pricier units have superior working techniques, communications, music and health options. In addition they usually embrace perks like onboard GPS monitoring, music storage and NFC, AMOLED shows, and lengthy battery life, issues that price range units typically don’t have.

Some corporations make specialised health watches: These can simply run north of $500, and we’d solely suggest them to severe athletes. Luxurious smartwatches from manufacturers like TAG Heuer and Hublot also can attain sky-high costs, however we wouldn’t endorse any of them. These units can price greater than $1,000, and also you’re often paying for little greater than a model identify and a few needlessly unique collection of construct supplies.

Battery life

Battery life stays certainly one of our largest complaints about smartwatches, however there’s hope as of late. You’ll be able to count on two full days from Apple Watches and most Put on OS units. Watches utilizing the Snapdragon Put on 3100 processor help prolonged battery modes that promise as much as 5 days of battery life on a cost — when you’re keen to close off most options other than, you recognize, displaying the time. Different fashions can final 5 to seven days, however they often have fewer options and lower-quality shows. In the meantime, some health watches can final weeks on a single cost. If lengthy battery life is a precedence for you, it’s value trying out the watch’s specs beforehand to see what the producer estimates.

Communication

Any smartwatch value contemplating delivers name, textual content and app notifications to your wrist. Name and textual content alerts are self explanatory, but when these imply rather a lot to you, think about a watch with LTE. They’re costlier than their WiFi-only counterparts, however mobile connectivity permits the smartwatch to take and obtain cellphone calls, and do the identical with textual content messages, with out your machine close by. So far as app alerts go, getting them delivered to your wrist will allow you to look all the way down to the watch face and see when you completely have to test your cellphone proper now.

Health monitoring

Exercise monitoring is an enormous cause why individuals flip to smartwatches. An all-purpose timepiece ought to operate as a health tracker, logging your steps, energy and exercises, and most of at present’s wearables have a coronary heart fee monitor as effectively.

Many smartwatches’ health options embrace a built-in GPS, which is helpful for monitoring distance for runs and bike rides. Swimmers will need one thing water-proof, and fortunately most all-purpose units now can stand up to at the least a dunk within the pool. Some smartwatches from corporations like Garmin are more fitness focused than others and have a tendency to supply extra superior options like heart-rate-variance monitoring, restoration time estimation, onboard maps and extra.

Well being monitoring on smartwatches has additionally seen advances through the years. Each Apple and Fitbit units can estimate blood oxygen ranges and measure ECGs. However the extra reasonably priced the smartwatch, the much less doubtless it’s that it has these sorts of superior well being monitoring options; if accumulating these sorts of wellness metrics is necessary to you, you’ll need to pay for the privilege.

Music

Your watch cannot solely monitor your morning runs but in addition play music when you’re exercising. Many smartwatches allow you to save your music regionally, so you’ll be able to join wi-fi earbuds through Bluetooth and hearken to tunes with out bringing your cellphone. Those who don’t have onboard storage for music often have on-watch music controls, so you’ll be able to management playback with out whipping out your cellphone. And in case your watch has LTE, native saving isn’t required — you’ll be capable of stream music instantly from the watch to your paired earbuds.

Shows

Most wearables have touchscreens and we suggest getting one which has a full-color touchscreen. Some flagships just like the Apple Watch have LTPO shows, which stands for low-temperature polycrystalline oxide. These panels have sooner response instances and are extra energy environment friendly, leading to a smoother expertise when one interacts with the touchscreen and, in some instances, longer battery lives.

You gained’t see important beneficial properties with the latter, although, as a result of the additional battery primarily will get used up when these units have always-on shows, as most flagship wearables do at present. Some smartwatches have this function on by default whereas others allow you to allow it through tweaked settings. This sensible function lets you look down at your watch to test the time, well being stats or some other info you’ve set it to indicate on its watchface with out lifting your wrist. It will little question have an effect on your machine’s battery life, however fortunately most always-on modes dim the show’s brightness so it’s not operating at its peak unnecessarily. Cheaper units gained’t have this function; as an alternative, their touchscreens will mechanically flip off to preserve battery life and also you’ll need to deliberately test your watch to activate the show once more.

NFC

Many new smartwatches have NFC, letting you pay for issues with out your pockets utilizing contactless funds. After saving your credit score or debit card info, you’ll be able to maintain your smartwatch as much as an NFC reader to pay for a cup of espresso in your method house from a run. Remember the fact that totally different watches use totally different cost techniques: Apple Watches use Apple Pay, Put on OS units use Google Pay, Samsung units use Samsung Pay and so forth.

Apple Pay is among the hottest NFC cost techniques, with help for multiple banks and credit cards in 72 totally different nations, whereas Samsung and Google Pay work in fewer areas. It’s additionally necessary to notice that each NFC cost help varies by machine as effectively for each Samsung and Google’s techniques.

Different smartwatches our consultants examined

Apple Watch Extremely 2

The Apple Watch Ultra 2 might be overkill for most individuals, but it surely has a ton of additional options like further waterproofing to trace diving, an much more correct GPS and the largest battery of any Apple Watch up to now. Apple designed it for probably the most rugged amongst us, however to your common particular person, it doubtless has extra options than they’d ever want. If you happen to’re notably clumsy, nevertheless, its excessive degree of sturdiness may very well be a terrific cause to think about the Apple Watch Extremely 2.

Apple Watch SE

The Apple Watch SE is much less feature-rich than the flagship mannequin, however it’ll in all probability suffice for most individuals. We truly regard the Watch SE as one of the best smartwatch possibility for first-time consumers, or individuals on stricter budgets. You’ll get all of the core Apple Watch options in addition to issues like fall and crash detection, noise monitoring and Emergency SOS, however you’ll need to do with out extra superior {hardware} perks like an always-on show, a blood oxygen sensor, an ECG monitor and a pores and skin temperature sensor.

Garmin Forerunner 745

Garmin watches on the whole will be nice choices for probably the most energetic amongst us. The Garmin Forerunner 745 is a wonderful GPS running watch for severe athletes or those that prize battery life above all else. Once we examined it, we discovered it to offer correct distance monitoring, a killer 16-hour battery life with GPS turned on (as much as seven days with out it) and help for onboard music storage and Garmin Pay.

Amazfit Bip 6

The Amazfit Bip 6, an $80 smartwatch from Zepp Well being, didn’t fairly make the lower. As a health tracker, it’s respectable, but it surely’s a irritating smartwatch. For exercises, the built-in GPS tracks runs and rides with out your cellphone and, mixed with the guts fee and blood oxygen sensors, collects an excellent quantity of knowledge to create correct footage of your exertion ranges, cadence and tempo. It’s remarkably light-weight however doesn’t really feel low cost and the AMOLED display screen is vivid and sharp. It’s not an always-on show, however lifting your wrist wakes it reliably.

The sleep monitoring information is on par with what we measured on different smartwatches and there’s even a each day readiness rating that compares your sleep high quality and the day gone by’s exertion to estimate how bodily ready you’re for the day forward — just like what Pixel Watches, Fitbit units and Garmin watches supply. And because the watch battery lasts for over every week on a cost, it’s possible you’ll be much more apt to put on it to mattress than a watch you need to cost each day.

We weren’t anticipating an $80 machine to be a severe Apple Watch challenger, however the Bip 6’s glitches and overly difficult interface (each on the app and on the watch itself) have been disappointing. Throughout every week of testing, I obtained a number of repeated notifications, even after they have been deleted, together with options to face after I was actively doing chores round the home. The watch faces aren’t customizable, so it was exhausting to get the information I wanted at a look (the Zepp app has plenty of paid watch faces which will have what I needed, however I didn’t wish to pay $3 for one thing that’s free elsewhere).

Advertising particulars state that the Bip 6 can auto-detect exercises, together with strolling and bike driving. Throughout testing, I walked a few times per day for over one mile and went on two bike rides, however no exercise was ever detected. The watch integrates with Apple Well being, so I used to be capable of see the way it compares to the information my Apple Watch gathers. After every week of sporting the Bip 6, with no modifications to my each day routine, I averaged 400 fewer energy burned and a couple of.4 fewer miles tracked every day. That was probably the largest disappointment of all. — Amy Skorheim, Senior Reporter

Smartwatch FAQs

Is there a distinction between a smartwatch and a health tracker?

Whereas smartwatches and health trackers share some similarities, they’re designed for barely totally different functions.

A health tracker is primarily targeted on well being and exercise monitoring. It retains tabs in your steps, coronary heart fee, sleep and exercises, and a few even supply superior metrics like blood oxygen ranges and stress monitoring. Health trackers are typically extra compact, have longer battery life and are constructed with exercise in thoughts.

A smartwatch, however, is sort of a mini smartphone in your wrist. It gives health monitoring options, but in addition enables you to do issues like reply to texts, take calls, use apps and management sensible house units. Many smartwatches help voice assistants, cell funds and even LTE connectivity, so you’ll be able to depart your cellphone behind in some instances.

If you happen to primarily need well being and exercise monitoring with lengthy battery life, a health tracker is the best way to go. If you would like a extra related expertise with further options, a smartwatch is the higher alternative.

How lengthy do smartwatches final?

How lengthy a smartwatch lasts largely will depend on two issues: battery life and general sturdiness.

Smartwatch battery life varies rather a lot relying on the model, options and the way you utilize it. Fundamental fashions with e-ink shows or monochrome screens can final every week or extra, whereas full-featured smartwatches just like the Apple Watch or Samsung Galaxy Watch often want a cost on daily basis or two. If you happen to’re utilizing options like always-on show, GPS monitoring or LTE connectivity, count on the battery to empty sooner.

Bodily, an excellent smartwatch ought to final a number of years earlier than you want to improve. Premium fashions with scratch-resistant glass, water resistance and powerful construct supplies have a tendency to carry up effectively over time. Nevertheless, software program help issues too — manufacturers like Apple and Samsung sometimes present updates for at the least a number of years, whereas some price range smartwatches could not get long-term software program help.

You’ll be able to count on to cost most smartwatches each day or each few days, and when you handle them, they need to final 3-5 years earlier than an improve is important.

How a lot do you have to spend on a smartwatch?

How a lot it’s best to spend on a smartwatch will depend on what options you want and the way usually you propose to make use of it.

If you happen to simply need the fundamentals — step monitoring, notifications, coronary heart fee monitoring and primary health monitoring — you could find some stable budget-friendly choices from manufacturers like Amazfit, Fitbit and a few Put on OS fashions. These often have respectable battery life however could lack premium options like LTE, superior well being monitoring or third-party apps.

Within the mid-range smartwatch value bracket, you’ll discover in style fashions just like the Apple Watch SE and Fitbit Versa sequence. These supply an excellent mixture of health monitoring, sensible options and design high quality. You’ll get higher construct supplies, extra correct sensors and app help, however battery life would possibly nonetheless be restricted to a day or two.

Excessive-end smartwatches just like the Apple Watch Extremely, Samsung Galaxy Watch Extremely and Garmin Fenix/Epix sequence supply superior well being monitoring, rugged designs, LTE connectivity and longer software program help. These are nice for severe athletes, outside adventurers, or anybody who needs the newest and biggest options.

If you happen to simply desire a easy smartwatch for notifications and health monitoring, a price range or mid-range mannequin will do the job. However in order for you a premium really feel, superior well being monitoring or LTE connectivity, it’s value spending a bit extra. For most individuals, $200 – $350 hits one of the best stability of options and worth.

Do all smartwatches have GPS?

Not all smartwatches have built-in GPS. Some depend on your cellphone’s GPS, whereas others have it built-in for unbiased monitoring.

Excessive-end and fitness-focused smartwatches, just like the Apple Watch, Samsung Galaxy Watch and Garmin fashions have their very own built-in GPS. This implies they’ll monitor your runs, walks, bike rides and hikes with no need to be related to your cellphone. It’s essential for severe athletes or anybody who needs correct location monitoring with out carrying a cellphone.

Some price range and mid-range smartwatches (like some Fitbit and Amazfit fashions) don’t have built-in GPS however can use your cellphone’s GPS when related through Bluetooth. This works advantageous when you often carry your cellphone whereas understanding, but it surely’s much less handy when you choose to depart it behind.

Some very primary or price range smartwatches skip GPS solely and rely solely on step monitoring or movement sensors. These are advantageous for informal customers who don’t want location monitoring.

Can you permit your cellphone at house and nonetheless use a smartwatch?

Sure, but it surely will depend on the smartwatch and what you wish to do with out your cellphone.

In case your smartwatch has LTE or mobile connectivity , you may make calls, ship texts, stream music, use maps and even entry apps with out your cellphone close by. Nevertheless, you’ll want a separate information plan out of your provider, which often comes with an additional month-to-month price.

Even with out LTE, some smartwatches can nonetheless do lots on their very own, together with monitor exercises and GPS routes (if they’ve built-in GPS), play music offline (in the event that they help downloads from Spotify or Apple Music), could contactless funds with options like Apple Pay and Google Pockets and management sensible house units.

If going phone-free is necessary to you, search for a smartwatch with LTE and built-in GPS for one of the best expertise.

Can a smartwatch make calls with out a cellphone?

Sure, a smartwatch could make calls with out a cellphone — however provided that it has the correct options.

Some smartwatches have built-in LTE connectivity, that means they’ll work independently out of your cellphone. You may make and obtain calls, ship texts, stream music and use apps so long as you may have a cell information plan for the watch. Nevertheless, you’ll have to pay for a separate mobile plan and battery life drains sooner when utilizing LTE.

In case your smartwatch doesn’t have LTE, it could nonetheless make calls, however solely when related to your cellphone through Bluetooth or Wi-Fi. It primarily acts as a distant speaker and microphone to your cellphone’s calls. Watches like the usual Apple Watch or Samsung Galaxy Watch (Wi-Fi variations) can do that. Nevertheless, in case your cellphone isn’t close by or related to Wi-Fi, calling gained’t work.

Some fitness-focused smartwatches (like sure Garmin, Fitbit and Amazfit fashions) don’t have a built-in speaker or microphone, to allow them to’t make or obtain calls in any respect — solely present notifications.

If calling with out a cellphone is a should, be sure that to decide on an LTE mannequin with a built-in mic and speaker.

What is the distinction between an Android and Apple smartwatch?

The largest distinction between Android and Apple smartwatches comes all the way down to compatibility, options and ecosystem integration.

Apple smartwatches (Apple Watch) solely work with iPhones. When you have an Android cellphone, you’ll be able to’t use an Apple Watch in any respect. Android smartwatches (Put on OS, Samsung Galaxy, Garmin and many others.) largely work with Android telephones, however some additionally help iPhones with restricted options. When you have an iPhone, the Apple Watch is the only option. When you have an Android cellphone, go for a Put on OS or Samsung Galaxy Watch.

Apple Watch (watchOS) has one of the best app help with seamless integration into Apple’s ecosystem (iMessage, FaceTime, Apple Pay, Apple Health+, Siri and many others.). Android smartwatches supply extra selection, with entry to Google companies (Google Assistant, Google Pockets and Google Maps), and a few help Amazon Alexa or Samsung’s Bixby.

When it comes to design, Apple Watch has a single design however is available in totally different sizes and supplies. It’s smooth, however your solely actual customization comes from bands and watch faces. Android smartwatches, however, are available in tons of types and types (Samsung, Google Pixel Watch, Garmin, Fossil and many others.), that means you’ll be able to decide a spherical watch, a rugged design or a luxury-looking mannequin.

If battery life is necessary to you, the Apple Watch lasts a couple of day or two per cost, relying on utilization and mannequin. Many Android smartwatches (particularly Garmin, Amazfit or Mobvoi TicWatch) final a number of days and even weeks on a single cost.

Georgie Peru contributed to this report.