Koss KPH40 Utility On-Ear Headphones, Detachable Interchangeable Cord System, Ultra Lightweight Design (Rhythm Beige)
Koss
Koss R-10 On-Ear Headphones, Lightweight, 8 Foot Cord, Retro Style, Black
Koss
KOSS 185141 KTXPro1 On-Ear Headphones
Koss
Koss KSC75 Portable On-Ear Clip Headphones, Retro Style, Ultra Lightweight, Silver and Black
Koss