YINDIAO Q4 Head-mounted Wired Gaming Headset with Microphone, Version: Dual 3.5mm + USB(White)

1. It is ergonomically designed and comfortable to wear. 2. Speaker diameter: 50mm 3. Sensitivity: 103+/-3dB 4. Impedance: 32Q+/-15% 5. Frequency range: 50mW 6. Microphone size: 06.0×2.7mm 7. Microphone sensitivity: -38+3dB 8. Microphone impedance: 2.2KQ 9. Cable length: 2.39m