Description Waterproof level: IP68. Blood Pressure, Blood Oxygen, Dynamic Heart Rate Monitor. Multi-sport mode: Running, Swimming,  Riding and Play To Badminton. Automatic language identification. CPU:  Norwegian Nordic NRF51822 Product Type:  Sports Health Bracelet Product standard:  GB4943.1-2011; GB / T22450.1-2008 size:  47 * 45 * 14MM, strap: piece length: 22 * ​​123 & # 65292; of the short piece: 22 * ​​81 / with buckle: 22 * ​​93.3 Gift Box Size:  90 * 90 * 70mm weight:  40g watch case:  aeronautical grade material, Nano injection molding, sapphire mirror. Strap:  Silica gel material strap environmental grade edible protection, Two-color injection molding load type:  magnetic charge attraction green product: you  can pass the EC test. Display:  0.96 inch, OLED display TP:  capacitive touchscreen push data:  incoming calls, message, Wechat, QQ, news and so on. automatically switch languages ​​from your smartphone Battery:  400mAh, Li-polymer battery Health Track:  Blood Pressure, Blood Oxygen, Dynamic Heart Rate Monitor, Sleep Monitor. Sports Track:  Pedometer, Sedentary, Multi-sport mode Bluetooth:  4.0 Vibration motor:  support APK Languages:  Chinese, Traditional Chinese, English, Russian & # 65292; Spanish & # 65292; Ukrainia, French, Japanese, Italian, German