Product material:
Earplugs/earmuffs material: Protein-like earmuffs

Details:
Model: V-1 plus adapter cable
Headphone type: Headphone
Plug diameter: 3.5mm
Plug type: Straight plug type
Whether wireless headset: Wired headset
Is there a microphone: Yes
Sounding principle: Moving coil
Frequency response range: 20-20k (Hz)
Impedance: 18 (Ω)
Sensitivity: 108 (dB)
Distortion rate: 1 (%)
Wire length: 2.1 (m)
Speaker diameter: 40 (Φmm)