Soleus GPS 2.0
Dustproof/water resistant at depth equal to or greater than 1 meter.
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.
The device has an electronic display to present information to the user.
Resistance to sweat makes it ideal for use while doing sports.
Polar RCX3 GPS
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
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.
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.
It tracks how many steps you take throughout the day, allowing you to see how active you have been.
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.
You can upload different maps to your device. It is handy for people who like to explore new places.
With a world timer you can easily see the time all over the globe. It is useful if you are travelling through different time zones.
Waypoints are locations or landmarks worth recording and storing in your GPS. These are locations you may later want to return to, for example favorite restaurants, bars etc.
Garmin Fenix 5S Sapphire