DB02 Smart Bracelet Band Heart Rate Monitor Pedometer Smart wristband Fitness bracelet Activity Tracker IP68 Waterproof

Functions:Clock and date: to be synchronized with the phoneStep: supportCalorie: support, APP side viewMileage: supportHeart rate: supportSleep monitoring: supportSilent alarm (can be customized): APP side set, hand ring vibration reminderCall reminders: supportSMS alert: supportQQ reminder: supportWeChat reminder: supportRaise the hand to: supportSUOTA function: can be used APK / APP upgrade bracelet firmwareAPP / APK download mode: IOS system / Android system: please use the phone sweep sweep function scan (support WeChat QQ browser scan)  Specifications: System requirements: Android 4.3 or above;IOS 8.0 or aboveBluetooth version: BLE4.0Bluetooth chip: DA14580Heart rate sensor: Huajing dynamic heart rate sensorAcceleration sensor: triaxial accelerationScreen size: OLED 0.69Battery capacity: 40mAhStandby time: 480 hoursUse time: 160 hoursContinuous heart rate test: supportCharging method: Clamp type chargingCharging time: about 1 hoursThe key way to: Press the key to touch the keyMoto