Electronics, Brand: Koss

Koss Porta Pro Wired Limited Edition Rhythm Beige Headphones Inline Microphone Volume Control Touch Remote with Hard Carry Case and Plug Rhythm Beige

Koss Porta Pro Limited Edition Black Gold Headphones with Inline Volume Touch Hard Carrying Wired with Black and On-Ear Mic, Control, Remote, Case,

Koss Open Type Headphones KOSS PORTA PRO Red Hot Scandinavian Limited Color [product]

TEAC KOSS Passive Noise Reduction Headphones QZ99

Koss KPH40 Utility Headphones with Detachable Cord System and Design On-Ear Ultra-Light (Stealth Black)

Koss KTXPRO1 Pulse Stereo Headphones for MP3 and Smartphone Silver iPod, iPhone, - [item]

Koss KPH30i Headphones Inline Microphone Remote Control Lightweight Deep Bass KPH30i On-Ear &