Tracking your step count?? calories burned?? floors climbed?? sleep quality and more makes your goals easier to achieve</br>Forget about the start button. The Gear Fit2 automatically recognizes what you're doing</br>Strap Length (Wrist sizes) : Small 125~170mm / The water-resistant Gear Fit2 is up for anything - IP68</br>Compatible with select Bluetooth capable devices using Android OS 4.4 and later with at least 1.5GB RAM as well as