USB440 Universal USB Computer Cable Head Wearable Electricity Music Voice Headphones(Black Bare Metal) Tag-iPad Air 2 (2014) Computer standard USB direct plug

Computer standard USB direct plug and play

Speaker ringer buzzer for Apple Watch Series 5 44mm

General Compatible with ZTE:  nubia Z17s

just press the top then four claws appear

General Compatible with LG:  G Pad 5 10

USB440 Universal USB Computer Cable Head Wearable Electricity Music Voice Headphones(Black Bare Metal) Tag-iPad Air 2 (2014) Computer standard USB direct plug1. 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