3.5mm Quad Communication On Ear Headset Double sided SINGLE QUAD PLUG The all-new Koss CS200i communication headset...

WITH VOLUME CONTROL This wired stereo headset features 40mm high-fidelity headphones. It includes an adjustable boom...

MICROPHONE IS IN THE VOLUME CONTROL Multimedia headphones with inline microphone and volume control.Adjustable...

USB Communication On Ear Headset Double sided USB 2.0 DIRECT CONNECTION The all-new Koss CS200-USB communication...

3.5mm Communication On Ear Headset Double sided DUAL PLUG - STEREO INPUT / STEREO OUTPUT The all-new Koss CS200...

USB Communication On Ear Headset Single sided USB 2.0 DIRECT CONNECTION The all-new Koss CS195-USB communication...