This is a multi-functional fitness watch. It can track your steps and monitor your body status, helping you keep fit. Features: High definition 1.3in display screen. Supports real time monitoring heart rate, blood pressure and blood oxygen. All-day activity tracking: exercise time, calories burned, steps and mileage. Supports monitoring your sleep quality. Supports switching theme and preventing lose watch or mobile phone. The screen will wake up when you flip your wrist. Multi-sport mode, includes walking, running, cycling, climbing, badminton, ect. Receives notifications from other apps (compatible with call/messages/Wechat/QQ, ect) of your phone. IP68 waterproof can meet your daily life need. Specifications: Color: Black, Blue, Green, Grey, Red (Optional) Body Material: Alloy Band Material: Silica Gel BT Version: BT 4.0 Wire-less Distance: 5~10m Resolution: 240 * 240 Supportive System: Compatible with Android 5.0 and above/IOS 9.0 and above Interface: USB 2.0 Waterproof: IP68