Product Specification:Certification: CE, ROSH, FCCMaterial: SiliconNet Weight:35gStandby Time:7-10 daysScreen LCD:17*21mmWrist Length:225mm Sync: Bluetooth 4.0Battery:60 mAh, chargeable Li-polymer batteryAPP: IOS 7.0(or above) and Android 4.4(or above)How to use? 1.Charging this fitness tracker wrist before you using it. 2.Download the Hesvitband APP from APP store. 3.Turn on your phone's Bluetooth function, and select the wristband device to connect it. 4.Setting the Data reminder,metric/imperial/temp units in the APP. The APP information will Upload and sync to the smart band automatically. 5.Wear the bracelet tightly so that it could test your heart rate correctly. Notice-To measure the heart rate accurately, wear the Hesvitband tightly.-The time will update automatically from the App. You could set it manually follow the User Manual-Heart rate tests automatically on the hour, such as 1:00, 2:00, etc. -Calculated sleep time means the displayed sleep hours. It may delay 20-30 minutes. -Wrist humidity affected by both wrist skin humidity and environment humidity. -Exercises burned calories, only means the calories burned during exercises, not including basal metabolism.-Errors may occur in determining the sleep state, such as sit still.Health Heart Rate MonitorThis wristband will refer to the number of heartbeats per minute. The normal adult human heart rate is 60-100 bpm. In general, the younger has a higher heart rate, the elderly has a lower heart rate and female has a higher heart rate than the male counterpart. Sleep TrackerBased on the activity intensity, it determines the sleep state in current minute: deep, light or awake. Package List:1 x Hesvitband Fitness Tracker Watch 1 x USB cable1 x User Manual
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