Mono headset with adjustable microphone and in-line remote combines clear sound, lasting comfort and versatile functionality, making it ideal for plug-and-play performance in a variety of applications. An ergonomic design with an adjustable headband and a soft, foam-covered earpiece help you get a comfortable fit. Boom-arm microphone features a 270° rotatable, reversible design that's easy to position for optimal voice pickup, while allowing you to fit the headset for your left or right ear. An in-line remote features both volume up\/down controls and a microphone on\/off button. Hard-wired 5.25 ft cable features a standard, 3.5 mm TRRS end-jack.