wireless earbuds in ear wireless bluetooth earphones

1. drive: 15mm

2. impedance: 32 OHM

3. Bluetooth version: Bluetooth v4.1+EDR

4. Bluetooth usage band: 2.4GHz

5. power level: CLASS II

6. output power: 30mW

7. Bluetooth distance: barrier free 15~20 meters

8. frequency response: 20-20000Hz

9. working voltage range: 3.0V-4.2V

10. IMI sensitivity: -42dB

11. A2DP /AVRCP high quality stereo audio transmission and remote control protocol

12. powerful noise elimination circuit (active noise reduction)

13. in English and Chinese switching (open the machine does not connect the Bluetooth state, even press the switch 2 times, hear the prompt switch success)

14. charge time about 1 hours (power indicator charging: red light light, full of electricity: red light goes out (Lan Dengliang).)

15. product size: 25MM in diameter. Wide 15MM. High 35mm
The net weight of 
16. products is about 8g

17. call time is about 2-3 hours

18. music time is about 2-3 hours

19. standby time is about 96 hours

20. charging time is about 40 minutes

21. battery capacity 55MAH (charging bin 600MAH)

22. charging power supply: DC5V power supply [round hole interface] (computer USB port, cell phone charger, car charger)

Full set weight: 120 g
Package size: 9.5*3.5*13 cm
Color of the product: black, white, golden, rose gold, red
Label: earphone + rechargeable bin + charging line + manual + package
carton size:50x40x19cm,100pc,12kg

wireless bluetooth earphones show: