Plug diameter: 3.5mmPlug type: USBIs there a microphone: yesSounding principle: moving coilFrequency 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
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