Specification: power: 120mw sensitivity: 105db s.P.L.At 1 khz.
Impedance: 2.2KΩ stereo plug: Φ3.5 Stereo.
Mic frequency response: 30hz-16 khz cable length: 1.5±0.15M.
Driver unit: Φ40mm frequence response: 16hz-20 khz.
Mic: Φ 6 5mm mic. Sensitivity: -58±3db.
Wired-3.5mm double pin.