HomeBrand:WiWUItem:SportPodsStandard:GB/T14471-2013EarphoneFit: InEarSpecifcation: MicroUSBBluetoothversion: 5.0BluetoothTransimissionDistance: ≥10MTransimissionFrenquency: 20HZ-20KHZBatteryCapacity: 30mAh*2WorkingTime: 3-4hrsLanyard PodsQuantity