1. Bluetooth version: 5.0 2. Material: ABS 3. Battery capacity: earphone 50mAh, charging box 350mAh 4. Charging time: 1 hour 5. Standby time: 300 hours 6. Talk time: 2 hours 7. Music time: 4-5 hours 8. Bluetooth distance: 10 meters 9. Mini, easy to carry 10. Ergonomic design, comfortable to wear 11. Turn on two earphones at the same time, automatically connect, and automatically distinguish between left and right channels
