Smart Band Heart Rate Tracker Fitness Tracker blood pressure blood oxygen smartband smart Bracelet Features : Motion recording : step count, distance, calorie calculationmotion mode, message push, information storage, heart rate monitoring, sleep monitoring, blood pressure measurement, blood oxygen saturation measurement, stopwatch, full font language, color display.Message push : SMS, Wechat, Skype, Facebook, WhatsApp, LinkedIn, etc,anti-lost alertSports record : Step count, exercise time, exercise mileage, calorie consumption, save 7 days of exercise/sleep dataFitness Tracker : Real-time heart rate measurement (dynamic, static), blood pressure measurement (timed blood pressure measurement can be set)Key method : touch keysAction : raise the screenPedometer : Motion planning, step Sport, mileage recordSmart reminder : Custom alarm reminder, sedentary reminder, incoming call reminderOther functions : Time display, do not disturb mode settings, find the bracelet, motion track (running/riding)Heart rate sensor : Green light dynamics Touch : Touch mode button, High sensitivity touch-control ICIP67 water-proof for washing hand,water splashing etc Specifications : Show : 0.96 inch High definition TFT screen with backlight, touch to operate. Battery : Battery capacity : 90 mAh, Standby time : 360 hours input voltage : 5V CPU : nordic nRF52832-QFAA,quick data process. Material : Body : Plastic, Wristband : Thermoplastic Elastomer + Stainless SteelBluetooth : Bluetooth4.0APP : JYOUCompatible systems : Android 5.1 (above), IOS8.0 (inclusive) and aboveCharging method : USBCharging time : about 2H, Life time Use 7 days, standby 15 daysAPP Supports 10 languages : Chinese, English, Traditional Chinese, Japanese, Korean, French, German, Russian, Polish, SpanishProduct size : 235 x 17 mmPacking size : 127 x 88 x 41 mmProduct weight : 14 g Standard Packing : 1 x Watch device1 x One battery1 x User manual