Meet Major IV, the iconic headphones from Marshall with 80+ solid hours of wireless playtime, wireless charging and a new, improved ergonomic design. With more than three full days of power, you can stop worrying about your headphones dying on you when you need them. Over 55 years of knowledge is packed into Major IV for an explosive sound. Custom-tuned dynamic drivers deliver roaring bass, smooth mids and brilliant treble for a rich, unrivalled sound that you’ll never want to turn off.