Smart Light Sensor Inside - - Built-in advanced ambient light sensor, making screen very clear in outdoor sunlight, automatically adjust screen brightness according to different luminosity. This function is unique on amazon platform.
Dynamic Heart Rate Monitor - - Accurate heart rate and heart rate interval, 5 heart rate intervals including warm-up, fat-burning, aerobic, anaerobic, extreme heart interval, with different screen colors while exercising.
All-Day Activity Tracker & Sleep Monitor - - Record your all day activity data accurately like steps, calories burned, distance. Support extra 7 sport modes: running, riding, basketball, badminton, tennis, ping pong, and football. Automatically tracks you
See Calls & Messages on Your Wrist - - Receive call, calendar, SMS and SNS (Facebook, WhatsApp, LinkedIn, Instagram, and Twitter) notifications on display, never miss the messages that matter.
Built-in USB Plug - - Easy to charge with any USB block and computer; no charging cable and dock needed; one single charge gives you up to 5 days of working time.