1. Transmission range: 10 meters 2. Functions: battery display, call function, music support 3. Bluetooth protocol: 5.0 4. Channel: stereo 5. Whether single or double ear: bilateral stereo 6. Built-in battery: 350mAh lithium battery 7. Charging time: about 2 hours 8. Play time: 10 hours 9. Support format: MP3/WAV 10. Size: 15x18.5x6.7 cm 11. Weight: 159 grams 12. Imitation protein leather earmuffs, comfortable to wear 13. Telescopic folding design, convenient storage 14. Ten meters Bluetooth stable transmission 15. Support Bluetooth/FM/MP3 to play music 16. Button operation, simple and convenient 17. An external 3.5mm AUX cable can be connected. At this time, the headset is an ordinary wired headset and the button is invalid
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