Mini Wireless Bluetooth Rechargeable Earphone/Rechargeable Case With Mic Inbuilt

1. Drive: 15mm
2. Impedance: 32 OHM
3. Bluetooth version: Bluetooth v4.2 + EDR
4. Bluetooth use band: 2.4GHz
5. Power level: CLASS II
6. Output power: 30mW
7. Bluetooth distance: 10 meters barrier
8. Frequency response: 20-20000Hz
9. Operating voltage range: 3.0V-4.2
10. Mitou 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. switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)
14. Charging time about 2-3 hour (power indicator charging: red light, full power: red light off (blue light).
15. Product net weight of about 5g
16. Talk time is about 1-2 hours
17. Music time about 2-3 hours
18. Standby time is about 96 hours
19. Battery capacity 45MAH each one

20. Charging Box capacity is 450 Amh
21. Charging power: DC5V power supply [round hole interface] (computer USB port, mobile phone charger, car charger）

Earphone with the charging box Includes: