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

Designed for deep bass performance Comfortable, secure fit with adjustable headband and multi-pivoting earplates Two adjustable temporal-comfort zone

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KOSS porta pro 3.5mm Gauss PPP Earphones Black Blue Subwoofer Headset Wired Vintage Influencer

Designed for deep bass performance Comfortable, secure fit with adjustable headband and multi-pivoting earplates Two adjustable temporal-comfort zone

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

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Koss Porta Pro Limited Edition Black Gold On-Ear Headphones, in-Line Microphone, Volume Control and Touch Remote Control, Includes Hard Carrying