Material: ABS+ aluminum alloy Bluetooth Version: V5.0 Device name: Baseus BA03 Communication distance: 10 meters Standby time: 120 hours Call time: 6 hours (70% of the volume) Music time: 6 hours(70% of the volume) Battery capacity: 400mAh/3.7V Input: DC 5V/390mA Rated current consumption: 100mA Charging time: 1.5 hours Charge interface: Type-C