Product information

1. drive: 15mm, impedance: 32 OHM

2. Bluetooth version: Bluetooth v4.1+EDR

3. Bluetooth frequency band: 2.4GHz

4. power level: CLASS II, output power: 30mW

5. Bluetooth distance: obstacle free 10 meters

6. frequency response: 20-20000Hz

7. working voltage range: 3.0V-4.2V

8. head sensitivity: -42dB

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

10. powerful noise canceling circuit (active noise reduction)

11. switch between English and Chinese (boot is not connected to Bluetooth status, and press switch 2 times to hear prompt tone switching successfully)

12. product size: 25MM*15MM*35mm, products net weight of about 5g

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The default headset is the “L”earphone. If you need the "R" earphone, please leave a note.

left and right headphones are cant connected together. u0026nbsp;only be used alone.

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