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

Koss Portable Replacement Cushions

Koss Porta Pro Official Hard Carry Case, Hard Shell Construction, Designed Specifically for Porta Pro, Black

Koss PortaPro PP Headphone Hard Carrying Case/Travel Bag with Space for Cable, Parts and Accessories

Koss KSC75 Portable Stereophone Headphones

Koss KPH30iK On-Ear Headphones, in-Line Microphone and Touch Remote Control, D-Profile Design, Wired with 3.5mm Plug, Dark Grey and Black

Rankie DP Extension Cable, DisplayPort Male to Female Extension Cable, 6 Feet, Black

YAXI EARPADS for Koss PORTAPRO (Black)

Bionik Mantis BNK-9007 Detachable Lightweight Headset for Playstation Virtual Reality (PSVR)

Koss KPH30iW On-Ear Headphones, in-Line Microphone and Touch Remote Control, D-Profile Design, Wired with 3.5mm Plug, White and Blue