Smart watch Company OS Android version iOS version CPU Type Bluetooth NFC Developer Options GPS Notify Link Loss Alert Notify Missed Call Notify Timer Notify View Content Call Conversation Find My Phone Voice Control Respond to Notifications Notify Sound Notify Backlit Screen Notify Vibration Ambient Light Sensor Gyroscope Magnetometer Multi-touch Accelerometer Dust and Water Resistance Clock Display Type Screen Size, Inches Screen Resolution, pixels Pixel density, ppi Display Technology Average Battery Life, days Battery Capacity, mAh Battery Technology Case Diameter, mm Case Thickness, mm Wrist Band Width, mm Weight (main unit+watchband), g Wristband Options Replaceable Wristbands LED Flashlight
Speaking of music, that's what really sets this smartwatch apart (especially compared to Garmin's other wearables). The Vivoactive 3 Music has enough internal storage for 500 songs — and they're easy to download to your device using the Garmin Express software. Once your songs are downloaded, you can listen to music without a smartphone. Just connect some Bluetooth headphones to the watch and you're good to go. If streaming is more your game, then you can also download some popular media apps as well. 
You can also use devices that support the Google Wear operating system in conjunction with an iPhone as well as a Samsung Gear device that runs Samsung’s own Tizen operating system. But Google Wear and Tizen devices are designed to pair with smartphones using the Android OS, so you won’t get full functionality when pairing with an iPhone. For instance, some Android smartwatches carry Samsung’s smartwatch line-up and naturally enough, work best with Samsung smartphones, but are still compatible with Android-powered Huawei or Nokia phones.
There's now a heart rate monitor, as the name suggests, for tracking beats throughout the day and during exercise, a GPS monitor to keep up with your workouts and an NFC chip to enable Google Pay. Add to that the ability to take this underwater up to 50 metres, all on the top of the refreshed Wear OS, and it all rounds out as a very complete smartwatch experience.

"Sport watch" functionality often includes activity tracker features (also known as "fitness tracker") as seen in GPS watches made for training, diving, and outdoor sports. Functions may include training programs (such as intervals), lap times, speed display, GPS tracking unit, Route tracking, dive computer, heart rate monitor compatibility, Cadence sensor compatibility, and compatibility with sport transitions (as in triathlons). Other watches can cooperate with an app in a smartphone to carry out their functions. They are paired usually by Bluetooth with a smartphone. Some of these only work with a phone that runs the same mobile operating system; others use a unique watch OS, or otherwise are able to work with most smartphones. Paired, the watch may function as a remote to the phone. This allows the watch to display data such as calls, SMS messages, emails, calendar invites, and any data that may be made available by relevant phone apps. Some fitness tracker watches give users reports on the number of kilometers they walked, hours they slept, and so on.
As far as the number of sports available to track: while it's more of the same, there are some notable exclusions - like golf tracking and open water swimming (pool swimming is a there though). Heart rate monitoring is decent if not class-leading, and it won't keep you waiting around for a GPS signal. There's also all the stress tracking goodies from Garmin's fitness trackers, too. As multi-sport smartwatches go, this is the best in our eyes, and builds on all the good work Garmin did with its previous iterations.
A smartwatch is a wearable computer in the form of a wristwatch; modern smartwatches provide a local touchscreen interface for daily use, while an associated smartphone app provides for management and telemetry (such as long-term biomonitoring). While early models could perform basic tasks, such as calculations, digital time telling, translations, and game-playing, 2010s smartwatches have more general functionality closer to smartphones, including mobile apps, a mobile operating system and Bluetooth connectivity. Some smartwatches function as portable media players, with FM radio and playback of digital audio and video files via a Bluetooth or USB headset. Some models, called 'watch phones' (or vice versa), have complete functionality of a typical smartphone using LTE technology.[1][2][3]
Bottom line: If health and fitness tracking is your priority, opt for a dedicated fitness tracker that gives you basic time and date information but includes the essentials of health tracking - accelerometer and altimeter, heart rate monitor and GPS chip to track distance and location. Carefully consider your exercise habits to match them to the right fitness tracker.
348 x 250 Resolution Touchscreen Display/ Color LCD/ Dynamic Personal Coaching/ PurePulse Heart Rate/ Popular Apps/ SmartTrack/ Sleep Stages And Insights/ Store And Play Music/ Water Resistant Up To 50M And Tracks Swims/ Built-In NFC Chip/ All-Day Activity/ Built-In GPS/ Multi-Day Battery/ Multi-Sport Modes/ Smartphone Notifications/ Blue Gray And Silver Finish
It has all the sensors you might want if you’re an avid runner, but it goes so much further. If you’re a hiker, you’ll love the altimeter, air pressure read-outs, the clock showing the sunrise and sunset times, compass and the indicator of the day’s tide levels. You can also download map data for use offline, meaning if you’re the Bear Grylls type then you’ll be well prepared.
For instance, I rarely use the touchscreen on my Fitbit Versa because the shortcuts to my most-used smartwatch features are available via the three physical buttons on the watch. Gesture recognition is hit and miss on smartphone screens, nowhere near as responsive and accurate as on your smartphone screen, so bear that in mind too. Force Touch is a useful feature that has come to smartwatches, notably the Apple Watch. Just press down or tap the screen to activate different features.
The Charge 3's module weighs in at 20 percent lighter than that of the Charge 2, so it won't weigh down your wrist when you're wearing it. I barely noticed it on my wrist when I paired it with Fitbit's woven bands, which are made of a feather-light fabric material. If you're looking for the band that both complements the device's weightlessness and remains fashionably flexible enough to go from the gym to the office, I'd go with a woven option instead of the standard silicone one.

Wear OS comes with a focus on fitness features, but unfortunately Huawei managed to simultaneously move too far in this direction and also fall short of it. It doesn’t come with a rotating side button for navigation, which is a shame as we really love the button on the LG Watch Sport. It does, however, come with great battery life and a stellar feature set otherwise.


In June 2000, IBM displayed a prototype for a wristwatch that ran Linux. The original version had only 6 hours of battery life, which was later extended to 12.[20] It featured 8 MB of memory and ran Linux 2.2.[21] The device was later upgraded with an accelerometer, vibrating mechanism, and fingerprint sensor. IBM began to collaborate with Citizen Watch Co. to create the "WatchPad". The WatchPad 1.5 features a 320 × 240 QVGA monochrome touch sensitive display and runs Linux 2.4.[22][23] It also features calendar software, Bluetooth, 8 MB of RAM and 16 MB of flash memory.[24][25] Citizen was hoping to market the watch to students and businessmen, with a retail price of around $399.[25] Epson Seiko introduced their Chrono-bit wristwatch in September 2000. The Chrono-bit watches feature a rotating bezel for data input, synchronize PIM data via a serial cable, and can load custom watch faces.[26]
If fitness is your top priority, the Apple Watch Series 1 has a good number of shortcomings compared with a dedicated fitness tracker. It doesn’t have onboard GPS, so you’ll need to carry your iPhone to accurately track outdoor activities, like running or cycling, and it’s not waterproof enough for swimming. And unlike a dedicated fitness tracker, the Apple Watch can’t automatically detect and track workouts—you have to manually start it—though this feature is coming with new Watch software this fall. And Apple’s built-in Activity app doesn’t provide much detail, so if you want to dig into your fitness data, or access sleep tracking at all, you have to download third-party apps.
Bottom line: Some fitness trackers work equally well with an iPhone or Android device, but some smartwatches are built to pair with Android phones so you won’t enjoy full functionality and pairing on an iPhone. The Apple Watch only pairs with the iPhone so is off limits to Android users. Your existing phone choice will play an important part in choosing a smartwatch. You can check your smartphone’s compatibility with a range of Google Wear-powered smartwatches at g.co/WearCheck

Wirecutter writers have been researching, testing, and writing about smartwatches since early 2013, just after the first Pebble watches were shipped to Kickstarter backers. I’ve personally worn nearly every notable smartwatch since that first Pebble and have written about them for a number of publications, including IT World and Fast Company. I also have extensive experience with Android phones, having written the (since outdated) Complete Android Guide and numerous articles about Android. I also contribute to and help edit the Wirecutter guide to the best smartwatch for iPhones.
Although rectangular is the most common design, there are smart watches that have a circular display similar to regular watches. The Apple Watch is only available in the rectangular design. The circular design is available in the Samsung Gear S2, Moto 360, and LG G Watch R models. Many models have changeable straps, so you can dress casual, sporty, and formal.
As mentioned, the rotating crown on the Q watches is a bit stiffer than it should be. This makes it somewhat more difficult to spin through notifications or scroll through a longer bit of text with the tip of one finger. The fix is to push the crown forward or backward from a lower angle, or roll more of your finger over it. It’s easier to turn with two fingers, but that’s definitely not a convenient gesture; you’ll likely just learn to get the rolling right.

The style offerings for smartwatches have improved dramatically, and your options are no longer limited to “large, nerdy and round” or “large, nerdy and square.” Still, even with more than 300 Fossil-branded watches planned across 14 major watch and fashion brands, smartwatches are generally much wider and chunkier than standard watches, as the size needed to accommodate the electronics and battery lends itself to bolder, more pronounced styles.

It doesn't get better than the Apple Watch Series 4. The new slimmer body and bigger screen make it sleeker and more stylish than ever before. The unique modern design works for both men and women. The smartwatch comes in 40mm and 44mm styles to fit wrists big and small. You can buy it in several finishes to match your style and there are dozens of Apple-made and third-party watch bands to make the Watch your own.
As for the tech inside, the Q Venture won't let you down. It runs WearOS (previously known as Android Wear) and works with thousands of apps on the Google Play Store. You can answer texts, interact with notifications, and choose your own watch face — just like you would on any other smartwatch. Fossil has lots of nice watch faces in feminine colors, too.
First, there’s now an option of an LTE-capable model allowing for always-on connectivity. This is through the use of an eSIM inside and an antenna cleverly hidden behind the display. The great news is that your Apple Watch 3 will share the same phone number as your iPhone, whereas other LTE-capable smartwatches have required you to juggle two phone numbers. You’ll need to pay for an additional smartwatch plan for the functionality, however.
With technology, smartwatches have revolutionized time itself: how we use it, how we plan our routine, and how we reach our goals. A smartwatch is a way to unlock the massive possibilities all around us, improving our health and fitness, staying connected with others, organizing our life and achieving more with less time. Inspired by constant innovation and driven by customer need, powerful smart watch phone gear allows us to stay truly connected in a digital world. At GearBest, we share this same passion for cutting edge, life-enhancing technology and offer hundreds of stunning android smartwatch and iOS smartwatch models at the lowest prices starting at under $10.
Outside of the Fossil Group, we're waiting for the Casio Pro Trek WSD-F30 and Montblanc Summit 2. The Summit 2 will be the first smartwatch to run on Qualcomm's new Snapdragon 3100 processor, which aims to make a raft of improvements including beefing up the battery life. It's also expected to be joined by a new Louis Vuitton smartwatch, which will run on that new Snapdragon chip.
Samsung Gear S3 Frontier: Until we see what Google can pack into a smartwatch with its long-awaited Pixel Watch, the best smartwatch for Android users is the Samsung Gear S3 Frontier. It pretty much has everything a user with an Android phone needs in a smartwatch - GPS, heart rate monitor, water resistance, near field communications, an always-on digital display, messaging alerts and app support. I don’t see a real need to opt for the 3G version yet, which would untether you from your phone completely but adds around $100 to the price. ($549)

What’s on display?: Most smartwatches have full-colour displays, though the underlying technology will determine how good the screen looks. There has been a move towards AMOLED (active matrix organic light emitting diode) displays, as used in the Apple Watch which present a bright screen, crisp text and accurate colours. Fitness trackers tend to have lower-quality screens and may not present in full-colour, partly to save battery life.

If you want a smart watch that uses cellular data without using up the battery, consider upgrading to the Samsung Gear S3. A close cousin to the Gear Sport, the S3 has all the perks of an LTE smart device (downloading apps, texting, checking email) and, unlike the Apple Series 3, it won’t quit after three hours. In fact, you could feasibly get 72 hours out of this LTE version of the Samsung Gear Sport.
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