1.85-inch TFT HD display screen; 240 * 280 resolutionCPU Realtek8763EWTouch TP Full screen touch,Key rotary encoder keyBluetooth BLE5.2Heart rate sensor LC11S+infrared blood oxygenG-sensor SC7A20Horn A 0916Standby time is about 35 daysWorking time 5-7 daysBattery 260mAh high capacity pure cobalt cellThe system supports Android 4.4 or above, IOS 9.0 or above, and Apple 5S or aboveFunctional parametersContinuous heart rate supportOne-click link supportBluetooth call support, answer/reject/dialTrue blood oxygen saturation supportBlood pressure monitoring supportTemperature detection supportBrightness adjustment supportBreathing training supportVoice Assistant SupportHands up and bright screen supportInformation prompt displayOther reminders QQ, WeChat, Facebook, WhatsApp, Line and other remindersMultiple sports modes 100+Weather forecast supportFlashlight supportClock display supportAlarm clock supportSOS supportSmall game supportCalculator supportFemale physiological cycle supportMusic playback supportVersatile dial supportCustom wallpaper supportSupport for sedentary reminderNo-disturbance mode supportFind watch supportRemote camera supportSleep monitoring supportStep count, distance, calorie supportAppearance parametersColor: rock black, blue-black, beige gold, pink goldMaterial body: ABS+PC strap: TPUMachine size 38 * 45 * 10.8mmBand size 22mm * 225mmMachine weight including strapWaterproof grade IP67