To promote healthy living, record daily walking steps, burn calories, walking distance, exercise time, sports wristbands wanbaolu (Wristlet) has the following characteristics: touch buttons, easy to operate; 1. waterproof design, suitable for a variety of scenarios; 2. comfortable to wear 3.Low Power Design 4. Bluetooth 4.0 wireless synchronization of data; 5. 15 days standby 6. Touch button design