Overview:This smartwatch features heart-rate monitoring, blood pressure, blood oxygen, sleep monitoring, message push, full touch screen, 8 sports modes, music control, photograph remote, alarm reminder, BT call, sedentary reminder, weather information, etc. Through this bracelet, you can record real-time data in daily life, and synchronize these data with mobile phones to guide living.Specifications:Model Number: MT3BT: 4.0CPU: TL8251APP: Diri FitMaterial: ABS, TPU, SiliconeBattery Capacity: 260mAh polymer lithium batteryWorking Time: Dual BT Use Time 3-5 days, continuous call or local music playback 5 hoursCharging Method: Magnetic contact chargingMemory: 8GScreen: 1.28-inch full touch screen, 240*240pCompatible System: Android 4.4 and above, iOS 9.0 and aboveWaterproof Rate: IP67 Color: Black,Red,Green(Optional) Watch Size: Approx. 4.6*4.6*1.3cm/1.81*1.81*0.51inWatch Strap Length: Approx. 24cm/9.45inMain Item Weight: 67g/2.36ozPackage Size: 11*8*7cm/4.33*3.15*2.76inPackage Weight: 206g/7.27oz Package List:1* Smart Band1* USB Charging Cable1* User Manual