Koss Porta Pro Classic On-Ear Headphones, Retro Style, 3.5mm Wired Plug, Durable, Black/Silver
Koss
Koss SB40 Computer Headset with Microphone, black/gold
Koss
Koss CS100 USB Double Sided On-Ear Headset with Boom Microphone, Lightweight Design, Black and Beige
Koss
Koss Communications USB Headset with Microphone (CS95-USB),White
Koss