2. Operating frequency: 2.402GHz-2.480GHz

3. Effective range: Approximately 10 meters

4. Microphone sensitivity: -42dB-+3dB

5. Headset battery: 3.7V/30mAh

6. Charging case battery: 250mAh

7. Music playback time: Approximately 5 hours

8. Talk time: Approximately 4 hours

9. Standby time: Approximately 30 hours

10. Headset charging time: Approximately 1.5 hours

11. Compact size, comfortable fit, and comfortable to wear for extended periods

12. High-definition microphone for precise sound pickup and noise reduction, ensuring clear voice recognition