1. Driver: 15mm

2. Impedance: 32 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 meter 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. switch between Chinese and English (boot does not connect Bluetooth state, press the switch 2 times, hear the tone switch successfully)

13. Talk time is about 0.8-1 hours

14. music time about 0.8-1 hours

15. Standby time is about 100 hours

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Package Includes:

2 x mini Bluetooth Headphones (left and right earphones)

1 x Charging box

1 x USB Charging Cable

1 x User Manual