Philips Heasdset Compatible universal hinged-stetho type for Transcriber Models 710, 720, 725 (3.5mm plug) With 3.5MM Straight Plug The SH50ST straight mono plug stethoscope style headphones designed for professional transcription. Compatible with transcribers requiring a single 3.5 mm mono jack such as SONY, Lanier, DVI, VDI SuperStation, RTAS, Olympus, Panasonic and Sanyo. Hinged stethoscope, tubular style with white plastic ear tips and single speaker button and 3.5 mm straight mono plug.