![Amazon.com: Koss Porta Pro Wireless Bluetooth On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote, Adjustable Headband with Multi-Pivoting Ear Plates, Black : Electronics Amazon.com: Koss Porta Pro Wireless Bluetooth On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote, Adjustable Headband with Multi-Pivoting Ear Plates, Black : Electronics](https://m.media-amazon.com/images/I/51tVCmjpuhL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Koss Porta Pro Wireless Bluetooth On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote, Adjustable Headband with Multi-Pivoting Ear Plates, Black : Electronics
Koss - Founder John C. Koss wearing the acclaimed Porta Pro - Introduced in 1984. #throwbackthursday | Facebook
Koss - In 1984 Koss introduced the acclaimed Porta Pro. And for over 30 years, people around the world have continued to enjoy the #SoundOfKoss through the “Ultimate” portable stereophone, the Koss
![moxy martinez on Twitter: "big respect and many thanks to @KossHeadphones and #tomsachs for these lovelies!! #koss #kossheadphones #portapro #rhythmbeige https://t.co/c25iRGBvDK" / Twitter moxy martinez on Twitter: "big respect and many thanks to @KossHeadphones and #tomsachs for these lovelies!! #koss #kossheadphones #portapro #rhythmbeige https://t.co/c25iRGBvDK" / Twitter](https://pbs.twimg.com/media/Czzm3guW8AAqgvo.jpg:large)
moxy martinez on Twitter: "big respect and many thanks to @KossHeadphones and #tomsachs for these lovelies!! #koss #kossheadphones #portapro #rhythmbeige https://t.co/c25iRGBvDK" / Twitter
![Amazon.com: 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 Amazon.com: 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](https://m.media-amazon.com/images/I/31yISN34gpL._AC_.jpg)