Features Bluetooth Version:V5.0 Stylish LED light Fast Charge Hall switch Dual Microphone ENC Gaming mode low latency to 60ms Stylish LED light Chip: JL6976 D8 Earbud Battery: 40mAhx2 Charging case battery: 470mAh Play time: 4~5H (in medium vol.) Talk time: 4H (in medium vol.) Charging time: Approx.1H(buds)/2H(case) Charging Box: Type C,hall switch,reset button Speaker:10mmx2 Impedance:32 ohm ±10% Speaker frequency:20~20KHz Audio codec:AAC/SBC Input voltage / current:DC 5V/1A