Bluetooth:BK/CSR Power 6W Play time:15-20h(average volume) Charge time:2.5h Input:DC 5V/1000mA Output:DC 5V/500mA Transmission distance:10m Features: Aluminium high quality material power bank function AUX IN LED lighting buttons Camera shutter torch light rechargeable battery Power indication light Automatic bluetooth pairing handsfree rubber fee for shaking-resistant