The device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
Resistance to sweat makes it ideal for use while doing sports.
The device has an electronic display to present information to the user.
You can operate the device easily, by pressing the screen with your fingers.
Damage-resistant glass (such as Corning Gorilla Glass or Asahi Dragontrail Glass) is thin, lightweight, and can withstand high levels of force.
A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.
An accelerometer is a sensor used to measure the linear acceleration of a device. A common application is detecting when a device changes between vertical and horizontal positions.
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
Your blood oxygen level is a measurement how much oxygen is reaching your muscles. It is important because low levels mean that you will become easily fatigued during exercise. The more exercise you do, the better your blood oxygen levels will become.
Honor Band 5
With a temperature sensor you can monitor changes in temperature to measure your exertion levels and avoid hyperthermia.
BodyMedia FIT Link Armband
This measures barometric air pressure. It can predict weather changes, for example a sudden drop in air pressure could mean a storm is coming. When calibrated correctly it can be used to determine altitude, which helps GPS devices to lock on quicker and with greater accuracy.
The device automatically detects when you start an activity such as jogging, saving you from entering it manually at a later time.
It can detect changes in elevation, such as when you are climbing stairs.
It tracks how far you travel.
Measuring pace shows how much time it takes to travel one kilometer or one mile. For example, in running, a 4 minute kilometer would be a very good pace.
It can track your sleep, such as how long you sleep for and the quality.
Your activity data is analysed to give you reports, available to view through the app or website. This allows you to see how active you have been and to help you make improvements.
The device syncs all of your data wirelessly, without the need for cables.
It is compatible with a range of Android devices such as smartphones and tablets.
The device automatically syncs your data when in range of your computer or smartphone.
Honor Band 4
Xiaomi Mi Band 4
It is compatible with a range of iOS devices such as iPhones, iPads and the iPod Touch.
RunKeeper is a popular app designed to help you track your fitness activities such as jogging. With a compatible fitness tracker you can sync data between the two services.
BodyMedia FIT Link Armband
With a longer battery life, you don’t have to worry about charging the device as often.
Garmin Vivofit 4 (large)
The battery can be recharged and used over again.
An indicator shows you when the device has low battery.
Amazfit Verge Lite
The manufacturer offers a branded wireless charging kit. To charge the device, you simply put it down on its charging base.
The time it takes to fully charge the battery.
The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.
It determines when you are in a light state of sleep and wakes you up within a set period of time before your alarm. This can allow you to wake up feeling fresher and more alert.
Honor Band 5
If you get a notification such as a call or message, the device will vibrate on your wrist or make a noise to alert you.
The device detects when you have been idle for too long, and alerts you to encourage you to stay active.
With a stopwatch you can time yourself.
You can download the app for free, from platforms such as Google Play or the App Store.