Dustproof/water resistant at depth equal to or greater than 1 meter.
Resistance to sweat makes it ideal for use while doing sports.
The device has an electronic display to present information to the user.
144 x 168px
300 x 320px
These devices will not experience water damage, e.g. in the shower. Devices which can withstand more water pressure are better for swimming or diving.
Polar RCX3 GPS
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
A heart rate monitor can help show your fitness levels, enabling you to calculate a suitable intensity of exercise.
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.
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.
A compass is useful in games, map and navigation software.
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.
Allows you to set your own goals, such as reaching 15,000 steps in a single day.
This is useful if you are on a strict training diet or if you are trying to lose weight. It can also help to boost your motivation.
Multi-sport mode allows you to easily switch between tracking different sports such as running, cycling and swimming. This is ideal for those who need to change quickly between different activities, eg. triathletes.
It can detect changes in elevation, such as when you are climbing stairs.
The device syncs all of your data wirelessly, without the need for cables.
Bluetooth is a wireless technology that allows you to easily transfer data between different devices, such as smartphones, tablets and computers.
An indicator shows you when the device has low battery.
There is less chance that you will run out of battery during an adventure.
Suunto Ambit3 Peak Sapphire (HR)
The battery can be recharged and used over again.
Vibrating alerts have a variety of uses, such as interval training.
The device can wake you using vibration, so as not to disturb anyone else sleeping in the room.
It can periodically download data on the future position of GPS satellites. This enables it to lock on much faster, so you don’t have to wait around to get a GPS fix.
Your tracking data is uploaded via your smartphone or computer, and is available to view on the manufacturer’s online portal in the form of reports and graphs.
With a stopwatch you can time yourself.
Friends using the same app can be integrated with your account, allowing you to compete with them. This increases your motivation and makes it more enjoyable.
You can upload different maps to your device. It is handy for people who like to explore new places.
With a dedicated bike mount you can attach the device to your handlebars, making it easier to see and to change the settings.