Power Mode:USB ChargingOperating Voltage:≤36VBattery Properties:Rechargeable BatteryBattery Capacity (mAh):340Rechargeable Battery:Lithium Battery-PolymerWireless Property:NFCWireless Version:Wireless 5.1Screen Material:TFTScreen Resolution:360pBody Material:AlloyStrap Material:Stainless SteelScreen Size:1.6inchScreen Ratio (%):94%Watch Chip:JL7013A6Item ID:TE84639