New lightweight design and hook clasp, available in five colors
Easily track your activities and your sleep automatically
Get personalized guidance from Smart Coach
Smart Alarm™ silently wakes you at the optimal time in your sleep cycle
Note: For battery issues Confirm Power Source Is Working , Double-Check Connection With Charging Cable ,Clean Charging Pins
Android compatibility – UP2, UP3 and UP4 are compatible with Android 4.3 (Jelly Bean) or later.
iOS compatibility – UP2, UP3 and UP4 are compatible with the following iOS devices:iPhone 4S or newer, iPod Touch 5th generation or newer, iPad 3 or newer, iPad Mini 1st generation or newer, iPad Air 1st generation or newer