Original i9s tws Wireless Bluetooth earphones Wireless Headsets With Free Box -White
- 1. Driver: 15mm
- 2. Impedance: 16 OHM
- 3. Bluetooth version: Bluetooth v5.0 + EDR
- 4. Bluetooth use band: 2.4GHz
- 5. Power level: CLASS II
- 6. Output power: 30mW
- 7. Bluetooth distance: 10-15 meters barrier
- 8. Frequency response: 20-20000Hz
- 9. Operating voltage range: 3.0V-4.2V
- 10. Mic sensitivity: -42dB
- 11. With A2DP / AVRCP high quality stereo audio transmission and remote control protocol
- 12. Powerful noise de-noising circuit (active noise reduction)
- 13. Talk time is about 2.8-3.5 hours
- 14. music time about 2.8-3.5 hours
