Porta Pro® Communication Headsets - Koss Stereophones

The Koss Porta Pro® Communication Headset features a flexible, hands-free microphone and connects to devices through a simple 3.5mm TRRS plug.

The Koss Porta Pro® Communication Headset features a flexible, hands-free electret boom microphone and connects to devices through a simple 3.5mm TRRS plug that works with modern desk phones, computers and tablets.

Koss Portapro Utility On-Ear Headphones – Addicted To Audio

Porta Pro® Communication Headsets - Koss Stereophones

G Size Ear Pad For Koss Portapro Porta Pro Ksc75 Kph40 Kph30i Headphone Cushion

The acclaimed Porta Pro® Limited Edition is more than two updated colorways. It features an inline microphone, remote and attenuating volume control.

Porta Pro® Limited Edition Black Gold

Koss Porta Pro Double-Sided On-Ear Communication Headset, Flexible, Hands-Free Electret Microphone, Collapsible Design, Wired 3.5mm TRRS Plug, Black - Blumaple LLP

Massdrop x Koss Porta Pro X Headphones, Open-Back Audiophile

MASSDROP X KOSS Porta Pro X Headphones EUR 30,60 - PicClick FR

The Koss Porta Pro® Communication Headset features a flexible, hands-free microphone and connects to devices through a simple 3.5mm TRRS plug.

Porta Pro® Headset

Koss Porta Pro Double-Sided On-Ear Communication Headset, Flexible, Hands-Free Electret Microphone, Collapsible Design, Wired 3.5mm TRRS Plug, Black : Electronics

Porta Pro® Limited Edition Rhythm Beige Headphones - Koss Stereophones