My Music Space - SALAR V81 Headphone

Price:$15
Features:

Mic Dimension：Ø6.0X5.0mm
Sensitivity：-40dB±3dB
Directivity：Omnidirectional
Impedance：2.2KΩ
Driver Diameter：Ø40.0mm
Driver Diameter：32Ω
Frequency Response：20~20kHz
Sensitivity (S.P.L)：105.0dB±3dB(1KHz)
Input Plug Diameter：Ø3.5mm
Cord Length：Appr. 2.5meters
Net Weight：Appr. 200g