1. Bluetooth version: V5.3 2. Play time: about 10h 3. Battery capacity: 200mAh 4. Frequency response: 20HZ-20KHZ 5. Rated power: 3mW 6. Driver unit: 16mm 7. Input: 5V/170mA 8. Standby time: 200h 9. Charging time: 2h 10. The connection is more stable and the call is clearer 11. 16mm large dynamic speaker, restore the most realistic sound 12. Compact, lightweight, stable and stable
