Full touch 1.39-inch screen, which has 360*360 pixels resolution makes the screen clear and bright The fitness watch accurately tracks your calories, heart rate, sleep stages, blood pressure and supports multiple sports modes Steel mesh strap design, the size is adjustable, breathable and comfortable to wear Equipped with a 250mAh large-capacity battery and can be used for a long time IP67 waterproof watch has a good waterproof effect for daily life, such as hand washing, sweat-proof, and rain-proof. Not recommended for hot springs and shower use Specifications: Basic ParameterOutlineBraceletCraftMetal+ABSStrap materialSilicone strapMajor functionsCall reminder push, SMS reminder push, WeChat reminder push, QQ reminder push, movement record (step count, mileage, etc.), track map, sleep monitoring, sedentary reminder, calorie calculation, stopwatch, low power reminder, hand up bright screen, fast charging, ultra-low power consumption, heart rate, blood pressure, vibration, movement mode, remote photography, music control, intelligent alarm Weather forecast, HD large screen, multi-dial switch, WeChat movement, callChipset8763EWECompatible systemAPP (DaFit) Android 4.0 and above, ISO9.0 and aboveRAM160KBFLASH128DisplaySupport or NotsupportSize1.39Resolution360*360Touch typeFull touchTouch screenmaterialTempered glassTemperatureyesBlood OxygenyesCallSpeakeryesConnection ParameterBTBluetooth 5.0 ble transmission range: About 10mSensorG-Sensoryes