Wired mini earphone with microphone

Headphone type: ear-hook headphones
Wearing style: earplug style
Headphone output source: general
Plug diameter: 3.5mm
Plug type: straight plug type
Sounding principle: ring iron
Frequency response range: 20-20 (Hz)
Impedance: 20-5 (Ω)
Sensitivity: 90-5 (dB)
Distortion rate: 0.01 (%)
Wire length: 1.2 (m)