1. Bluetooth version: 5.0 2. Material: ABS+PC+aluminum alloy 3. Talk time: about 4 hours 4. Music playing time: about 3.5 hours 5. Standby time: 55 hours 6. Battery capacity: 55mAh 7. The ear caps are made of liquid silicone, which is more comfortable to wear 8. The retractable marker design can adjust the call effect at any time and reduce the impact of the surrounding environment 9. Size: 61.1x13.35x22.9mm, weight: 9.2g
