Koss Utility Series Wireless Bluetooth Adapter for KPH40, Porta Pro and KEB90 Utility, 18+ Hour Battery Life, USB-C Charging, Microphone, Audio Controls, Attachment Clip
$44.99
Koss Utility Cord USB-C Cable, Works Utility Series System, in-Line Microphone and Remote, Built-in 24-bit/96kHz DAC, Black
$44.99
Koss Porta Pro Utility On-Ear Headphones, Detachable Interchangeable Cord System, Collapsible Design, Stealth Grey
