USB440 Universal USB Computer Cable Head Wearable Electricity Music Voice Headphones(Black Bare Metal) Tag-iPad Air 2 (2014) General Compatible with LG: G

General Compatible with LG:  G Pad 5 10

General Compatible with ZTE:  nubia Z17s

40HQ: 4753 cartons * 500 pcs = 2376500 pcs

General Compatible with Xiaomi:  Redmi 7A

Computer standard USB direct plug and play

USB440 Universal USB Computer Cable Head Wearable Electricity Music Voice Headphones(Black Bare Metal) Tag-iPad Air 2 (2014) General Compatible with LG: G1. Ear shell material: ABS 2. Wire: PVC wire 3. Plug: USB 4. Diaphragm: 32 ohm 5. Sensitivity: 100dB 6. Frequency response: 20 100KHz 7. Mode of use: head mounted 8. Adjustable headgear, easy to wear 9. Support wire control, switch the working state of the microphone (red light is to turn off the microphone, blue light is to turn on) 10. Soft earmuffs, comfortable to wear 11. Speaker diameter: 30mm 12. Cable length: about 3m 13. Weight: about 99 grams