Head-mounted RGB breathing light headset

Plug diameter: 3.5mm
Plug type: USB
Is there a microphone: yes
Sounding principle: moving coil
Frequency response range: 20-20000 (Hz)
Impedance: 21 (Ω)
Sensitivity: 120 (dB)
Distortion rate: 15 (%)
Wire length: 2 (m)
Speaker diameter: 50 (Φmm)
Earplugs/earmuffs material: leather