Fitness
Does this track activities like riding a bike, playing tennis, etc?
It uses presets to track your activity and determine what is optimal heart rate in relation to the activity your doing. Currently these are the presets available on the watch- running, walking, cycling, hiking, treadmill, eleptical, step climber, and exercise bike. If you have a samsung moblie device with s health it will link up and keep track of your progress. The watch also knows when your being lazy and will definitely remind you to get up and move. It almost makes you feel guilty about it.