SONY MDR-XB400 in Gosport
Sony Stereo Extra Bass Headphones in black, brand new and boxed (unwanted Xmas gift, £50 on Amazon) MDR-XB400 folding closed-cup headphones, 30mm neodymium driver unit, noise isolating, X-bass, 1.2m cord 30mm neodymium driver 5Hz-22kHz frequency range Foldable design for portability £28 o.n.o