Z11 Waterproof Smart Bluetooth Sports Wristband Bracelet with Caller ID Alert, Heart Rate Monitor - GreenSmart Bracelets<br>Form  ColorGreenModelZ11Quantity1 DX.PCM.Model.AttributeModel.UnitMaterialTPUShade Of ColorGreenWater-proofIP68Bluetooth VersionBluetooth V4.0Touch Screen TypeAMOLEDOperating SystemAndroid 4.4,iOSCompatible OSAndroid  iOSBattery Capacity90 DX.PCM.Model.AttributeModel.UnitBattery TypeLi-polymer batteryStandby Time10 DX.PCM.Model.AttributeModel.UnitPacking List1 x Cable1 x Instruction1 x Smart Bracelet<br>