Smart Bluetooth V4.0 Bracelet w/ Pedometer, Sleep Monitoring - Black

Form ColorBlackQuantity1 DX.PCM.Model.AttributeModel.UnitMaterialTPU + aluminum alloyShade Of ColorBlackWater-proofYesBluetooth VersionBluetooth V4.0Touch Screen TypeYesCompatible OSAndroid 4.4 and above, IOS 7.0 and aboveBattery Capacity41 DX.PCM.Model.AttributeModel.UnitBattery TypeLi-polymer batteryStandby Time720 DX.PCM.Model.AttributeModel.UnitPacking List1 * Bracelet1 * USB charging adapter1 * Chinese / English user manual