Multiple functions: Support movement tracking, sleep monitor, sedentary remind, multiple movement mode. Waterproof design?You can wear it freely to washing face, taking a bath or swimming, don't need to worry about it Data synchronization: It can count steps directly without phone. The data can sync to your APP, after connecting your phone Vibration to remind when you have a call or message, and support the view your information Very easy to awaken the screen, just need turn over wrist