E-MI ID107 Smart Bracelet BT4.0 Heart Rate Monitor SmartbandBluetooth calling: Phone call reminderHealth Tracker: Heart Rate Monitor， Pedometer， Calories Counter， Distance， Sleep MonitorRemote Control: Camera remoteOther Functions: Alarm Alert， Time Clock， Anti-Lost， Phone FinderAlert type: VibrationAvailable colors: Black， Blue， Orange， PurpleSingle Key: Short Click and Long Press ControlSpecial Feature: Light on Wrist UpData Storage: Latest 7 DaysCompatible OS Android 4.4 / iOS 7.1 and above system GeneralBrand: MakibesModel: ID107Bluetooth version: V4.0 BLEWaterproof rating: Life-level waterproofMain chip: Nordic nRF51822Pulse sensor: Silicon labs Si1142G-sensor: kx022-1020 Special Features Bluetooth calling: Phone call reminderHealth Tracker: Heart Rate Monitor， Pedometer， Calories Counter， Distance， Sleep MonitorRemote Control: Camera remoteOther Functions: Alarm Alert， Time Clock， Anti-Lost， Phone FinderAlert type: VibrationAvailable colors: Black， Blue， Orange， PurpleSingle Key: Short Click and Long Press ControlSpecial Feature: Light on Wrist UpData Storage: Latest 7 Days Compatible OS Android 4.4 / iOS 7.1 and above system ScreenDisplay Size: 0.49 inchDisplay Type: OLED BatteryBattery Capacity: 60mAh Li-Poly batteryWorking Time: Over 7 daysCharging Type: 3 Pins Clip ChargerCharging Time: 1~1.5 hours Dial and BandDial shape: RectangularCase material: PlasticBand material: Silicone Weight and SizeDial size: 41.6 x 20 x 12.8 mmProduct weight: 25 g whats in the box1 x ID107 Bluetooth 4.0 Smart Bracelet smart band1 x Charging Cable1 x Box，