For $35, Amazon has the Koss Porta Pro Black On-Ear Headphones with Case in Black or Black/Silver. Free shipping for Prime or $25+ order value. Normally this amounts to 50 dollars so you save 30% off this deal.
The renowned Koss Porta Pro has established standards of performance and comfort to listen to people worldwide. Designed for people with an elegant musical taste, the Porta Pro is still one of the world’s most popular headphones.
Designed for deep bass performance
Comfortable, secure fit with adjustable headband and multi-pivoting ear plates
Two adjustable temporal-comfort zone pads shift the pressure and perfectly balance the ear plates on your ear
Collapsible for maximum portability, includes carrying case
Connector Type: 1 x Headphones (mini-phone stereo 3.5 mm)