Notice: This watch does not require a charging cable and can be charged directly through the charging head or USB interface The correct charging orientation of the USB socket. If the charging direction of the USB port is reversed, the charging will fail, and the screen will remain black and unresponsive. *3 Colors - BLACK -WHITE -PINK Feature: How to pair with mobile phone? Tip: Please use the ''Fitpro'' app instead of connecting directly to the device via Bluetooth-Compatible. Otherwise you will not be able to sync 1. IP67 waterproof: support hand washing, rainproof, swimming, can meet daily needs (note: hot bath and sauna are not allowed). 2. Health monitoring: blood pressure monitoring, heart rate monitoring, sleep monitoring, sedentary reminder. 3. Standard exercise function: steps, calories, distance calculation. 4. Display: Multiple UI interface styles (long press the main interface switch), time display, date display. 5. Multiple sports modes. 6. Call reminder and information push: connect to ''Fitpro'' APP, display call, SMS and SNS (Twitter, Line, WhatsApp, Facebook, Line, KaKaoTalk, WeChat, QQ) and other notifications 7. Other functions: alarm clock, stopwatch, raise hand to illuminate the screen, remote camera, find bracelet.