Garmin Approach S2
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.
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.
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Polar RCX3 GPS
GPS enables global positioning, useful in map, geo-tagging or navigation apps.
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.
It tracks how many steps you take throughout the day, allowing you to see how active you have been.
This watch comes preloaded with thousands of courses, showing exact yardages to the front, back and middle of greens along with a scorecard and shot distance calculator.
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)
With a longer battery life, you don’t have to worry about charging the device as often.
Tech4o Traileader Jet
The battery can be recharged and used over again.
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.
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.