Iconic music lover BT headphones. Koss Porta Pro **Wireless 2.0 **the **newest model! The luxurious sound of the legendary Koss has been constant since 1984. Google it if you're interested. New, original, **bought in the USA. Full set: box, all wires, case and receipt. Selling below purchase price with delivery. Bt 5.2 15-25000hz 101db 20 hours operating time from battery + wired connection 60om 290 GEL