Sell F1 Smart Bracelet Watch Heart Rate Monitor Smart Band best price

Specification: Equipment requirements: Android 4.4, IOS 8.0 and above systems CPU:Nordic-Nrf51822 Waterproof:IP67 Material: Silicon + PC Color: Black, Grey, Red Screen:0.66 OLED display Data Storage:7 days of detailed exercise records,23 days of daily total. Battery Capacity: 80mAh Charger Time: About 1.5H Standby: 3 - 5 days, Standby 7days Size: 235*24*11.6mm CALL NOTIFICATION:Bracelet will vibrate to alert you and show caller ID if your phone received a call, including Facebook, Twitter,Messenger, SMS text and SNS messages etc. Simply connect the bracelet to phone via Bluetooth and set in the app,Never miss call and mesage HEART RATE FITNESS TRACKER:Can track your heart rate and all-day activities. Display distance traveled, calorie burned, etc.Also can view 7 days detail exercise records and 23 days daily excercise total, Blood presure and blood oxygen can be messured for your family Sleep Monitor:Connect the free app via Bluetooth, Data will be synced to the app.which can monitor your sleep quality including deep or light sleep hours, Awake hours, History sleep data.Different alarm clocks can be set in the app which will vibrate you to wake up or excercise reminder, take medicine, etc. COMPATIBILITY:Supports Most Smart Phones with Bluetooth 4.0 or above(Not for tablet). Support System: iOS 8.0, like iPhone 7/6/6s or above(Not for iPad), Android 4.4 like Samsung LG or above Package included 1x F1 smart watch 1x USB Cable 1x User Manual