Spectra headsets.  Guaranteed quality and reliability, these transcription headsets will really make the difference. 

Twin-speaker stereo headset with 10 ft / 3.0m cord and 1/8" / 3.5 mm right-angle stereo plug for computer use.

Note: there are multiple variations to meet many of the common headset connectors.  Please make sure to select the version that is compatible with your connector socket.