TopOne i5 Plus Smart Bracelet Bluetooth 4.0 Bluetooth IP55 Waterproof OLED Touch Screen Pedometer Bluetooth 4.0, suitable for Android 4.3 or higher devices and iOS 7 or above devices Mobile Phone Anti-lost. Remote Camera . Calories Tracking. Sleep Monitor . Silent Alarm by vibration.Sedentary Remind Waterproof: IP55,to ensure you can use normally in any case. Easy to Use: You simply tap on the screen and use finger gestures like swiping, double tapping, etc. USB Connect: The whole front piece pulls away from the band and doubles as a USB stick.