Brand: Koss. MPN: KTXPRO1. Titanium layered diaphragm for accurate sound reproduction. Foam ear cushions for an open hear-through sound. Adjustable headband with sling for a comfortable and secure fit. Volume control on the cord for easy level adjustment. Straight dual entry 4 foot cord Includes 1/8 and 1/4 stereo plugs for home and portable use.