Home KOLUMAN K5 Headset$233.80PriceColorQuantityAdd to CartProduct InfoBluetooth1,Material: ABS +metal2,Speaker unit: 40mmdiameter, speaker power:32Ω 10mW * 23, BluetoothSpecifications: BluetoothV5.0 CSR86354,420mAh A gradepolymer battery 4,300mAh A grade