hoco ew 71

1.Bluetooth:5.4,Jelly:AC6973D4

2. Support protocol: Headset Hands-free A2DPAvrcp

3. Transmission range: 10 meters; Transmission frequency: 2.4GHz

4. Maximum RF Output Power(EDR):4DB Modulation Type(EDR):GFSK, π/4-DQPSK

5. Speaker:9MM Impedance:322%.

6. Frequency Response: 20~20000Hz

7. Sensitivity: 98db or 3db.

8. Charging voltage DC5V Charging time for headphones is about 1 hour.

9. Charging box charging time of about 1.5 hours

10. Left and right ear single side battery capacity: 35mAh; charging box battery capacity: 300mAh; product size: 55 * 55 * 20mm

11. Talking time 6 hours Music playback time 6 hours (80% volume)

12. Product net weight: 32.2G, single ear net weight: 3.5G

13. Power display <support Apple phones and some Android phones