China DFF8 Color screen smart step bracelet heart rate blood pressure monitor information to remind double color strap

DFF8 Color screen smart step bracelet heart rate blood pressure monitor information to remind double color strap Function:Ring with a screen (1.44 inch TFT)Heart rate detection, according to the time step, calories, distance with screen displayStandard motor function (step, distance, calories)Sleep monitoring (sleep time, sleep quality)Push to notice, newsMicro letter movement access)The lost remind (beyond the scope of cellphones can remind)The alarm clock to remindTask managerActivities to remindFitness goal settingFitness information sharingSUOTA function, through the APK bracelet/APP upgrade firmwareSynchronous data to the APK/APPAndroid and apple APP/APK downloads application sync: ZerofitWarning: IOS in the apple store, android mobile phones in 360 assistant and so on each big search Zerofit APP store APP to download and install)Downloading and installing Zerofit qr code scanning Specifications for:System requirements android 4.4 and above, IOS 8.0 above, BT 4.0 supportBLE BT version 4.0The BT chip Realtek RTL8762Heart rate LST1303 chipHeart rate moduleThe working current of about 550 ua1.44 inch TFT screen displayBattery capacity 85 ma20 days of standby timeWorking time 7 to 10 daysPhysical buttons two touch buttonsBuilt-in motor, vibration to remindSuction-cup charging interfaceLevel of waterproof IP67 waterproof lifeBMA223 gravity sensors