Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Design, Stealth Grey : Electronics

Koss Porta Pro Classic On-Ear Headphones, Retro Style, 3.5mm Wired Plug, Durable, Black/Silver : Electronics

Koss Porta Pro Black On-Ear Headphones, Retro Style, Collapsible Design, Case Included, Black : Electronics

Koss KPH40 Utility On-Ear Headphones, Detachable Interchangeable Cord System, Retro Style, Ultra Lightweight Design (Rhythm Beige) : Electronics

Koss Utility Cord Lightning Cable, Works Utility Series System, in-Line Microphone and Remote, Mfi Certified, Black : Electronics

Koss Porta Pro Black On-Ear Headphones, Retro Style, Collapsible Design, Case Included, Black : Electronics

Koss KPH40 Utility On-Ear Headphones, Detachable Interchangeable Cord System, Retro Style, Ultra Lightweight Design (Rhythm Beige) : Electronics

Koss Porta Pro with Microphone and Remote On-Ear Headphones, in-Line Microphone and Touch Remote Control, Collapsible Design, Wired with 3.5mm Plug, Black and Silver : Electronics

Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Design, Stealth Grey : Electronics

Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Design, Stealth Grey : Electronics

Porta Pro® Wireless Bluetooth® Headphones - Koss Stereophones

Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Design, Stealth Grey : Electronics

Designed for Deep bass performance Comfortable, secure fit with adjustable headband and multi-pivoting ear plates Two adjustable temporal-comfort zone

Koss Porta Pro Black On Ear Headphones | Collapsible Design | Case Included | Black & Portable Replacement Cushions