Essager 'TWS' wireless headset black (Double Noise Cancelling / Bluetooth 5.3)

1. Audio coding protocol: SBC, AAC

2. Effective range: ≥10 meters

3. Headset battery specification: 35mAh plus protection board

4. Earphone charging time: ≈ 1.5 hours

5. Charging standard for charging case: DC 5V1A

6. Number of times to charge the earphones: 3 times

7. Speaker size:

Speaker Impedance: 322‡15%

8. Frequency response range: 20Hz~20KHz

9. Weight (single earphone): 3.8g

10. Weight (full set): ≥ 42.7g

11. Support Bluetooth protocol: HFP, A2DP, AVRCP

12. Signal Power Level: Class 2 (Bluetooth version 5.3)

13. Working frequency: 2.4G Hz

14. Headset charging voltage: DC 5V+0.2V

15. Charging case battery specifications: 350mAh plus protection board

16. Charging time of charging case: 21.5 hours

17. Connected standby time: 240H

18. Cumulative battery life: about 20H

19. Speaker sensitivity: 104 3dB

20. Charging case size: 58*54*27.5mm

21. The size of a single earphone is 36*23.5*24mm