VibeX ® F2 Cubes Fitness Tracker. Smart Wristband, Heart Rate Monitor, Waterproof, Flash Charge, Activity Tracking(Black Strap, Size : Free Size), Midnight

FAQ:Q: How to connect?A: 1. download app required from Apple Store or Google Play.2. turn on phone bluetooth, go to the App=>>Device=>>bind device, then search and pair the device with your phone.3. once it paired correctly, the bracelet vibrates, the time on the bracelet will be auto synchronized with phone's.Q: How to reset the device?A: please go to the app - User - System Setting - Restart Device. (this is to reboot device).Q: Can't pair the device?A: 1. check phone bluetooth list, forget all device ever connected.2. go to app-device-unbind device, discoonnect it.3. then connect it again.Q: About charging and battery life.A: Please charge it on USB plug, charge time: 30 minutes. We recommend charging your device every few days to ensure you are always tracking.Key Function:Heart Rate Monitor Message PushStep PedometerCall AlertWrist SenseSedentaryCaloriesTimeAlarm, etcSpecification:Display: 0.71-inch OLEDBattery: 80mAhWaterproof level: IP67Bluetooth: 4.0Watchband: TPUStandby time: 7 daysWatchband length: 140-195mmProduct weight: 9.02gSupport Phones: Android 4.4 & above, IOS8.0 & above, bluetooth 4.0 & above