1. Material: PU
2. Sensitivity: -38dB
3. Impedance: 21 ohms
4. Headphone type: wired
5. Wearing method: head-mounted
6. Headphone plug type: 7.1mm + USB
7. Headphone cord length: 2.2 meters
8. Frequency response range: 20Hz ~ 20kHz
9. Speaker diameter: 50mm
10. Features: soft position discrimination, 360° surround sound effect; 50mm speaker unit, neodymium speaker; skin-friendly and breathable, PU earmuffs; double PVC sleeve bracket matching, self-adjusting suspension headband; sensitive noise reduction omnidirectional microphone