Single mini skype headset w/mic. Speaker :aa15mm Sensitivity :105dB S.P.L at 1KHz Impedance :32aa

 Mic. Unit :6X5mm Dia.Electret condenser

Mic. Directivity :Omni Direction Mic. Sensitivity :-58dB±2dB Mic. Impedance :Low Frequency Response :30Hz to 16,000Hz Cable :Approx.2.5m±0.3m (rubber cable) Plug Type :3.5mm stereo plug x 2  

Unique design single side headphone with Mic inside