BBZZHE Smart Watch Fitness Tracker with Heart Rate Monitor Activity Waterproof Tracker Watch Fitness Band with Calorie Counter Step Counter Pedometer Watch

Product Description: Compatibility: App supports smart phones(not for tablet). Support system: iOS 8.0 or above,Android 4.4 or above. Bluetooth 4. 0 and above, suitable for smartphones only. (can be used for daily life waterproof, can not be used for diving and put under water for long time, and does not prevent from hot water) How to use it? 1, Download the APP named DayBand by scanning QR code of the manual, or search "DayBand" from Google Play or APP store. 2, Pull down the screen, search device and click the device name How to charge? Pull out the device from the strap (the side with the metal port ), using build-in USB charger to connect with power source for charging. Charge time is 2 hours. Specifications OLED screen size: 0.96TFT Waterproof: IP66 Charging time: 2-2.5hours Strap size: 250mm*19mm*12mm Material: TPU Remark: 1, If there are any question about the way use, please contact with us for help 2, The measurement results of this product are for reference only, not for any medical purpose and basis. Common Problem of Fitness Tracker: 1, The bracelet cannot be charged? ?Please confirm whether the socket of host plugged into is powered, and whether the charging clip and the charger are in place. ?When the power of the main engine is lower than 3.6V, there will be a period of battery pre-charging time, it can enter the normal charging state after plugging in the charger and charging for 3-5 minutes. If the bracelet is damaged by water, it will not be able to charge. 2,Can't find bracelet and can't connect with it? ?Please do not connect your mobile phone to other Bluetooth devices at the same time. ?if it still unable to connect, enter the phone settingsFind Application(DayBand)?Allow all permissions as ‘allowed’.