OneOdio PRO GD Phone Tablet Student Wired Headset, Cable Length: 2m(Black)

1. Ergonomic design, no pain to wear for a long time2. Soft earmuffs, adjustable head beam, 90 degree rotation, 180 degree inversion3. 50mm driver unit, stereo surround sound4. Detachable microphone, volume control5. Unidirectional microphone, intelligent noise reduction6. 2m cable with volume control, mute button7. 3.5mm boom microphone8. Plug diameter: 3.5mm9. Frequency response: 20-20000Hz10. Sound principle: moving coil11. Impedance: 32 ohms12. Sensitivity: 110dB13. How to use: head-mounted14. Packing list: earphone + 3.5mm Y-type extension cable + instruction manual + packing box