??Fashion Design?: Large OLED screen with 4 kinds of concise screen display style ??All-day Activity Tracking?: Accurately record all-day activities like steps, distance, calories burned, active minutes and sleep status ??Built-in USB Plug?: Built-in USB plug makes it easy to charge with any USB block and computer; one single charge gives you up to 7 days of working time ??Easy Operability?: Hang up on the fitness tracker directly; it includes call message alert, control camera and music player mode, alarm mode, theme replacement mode ??Waterproof Performance?: No problems take it to swim within 30 mins and 1 meter depth. Don't worry that rainwater and sweat will damage it