Major IV delivers 80+ solid hours of wireless playtime. Major IVs new, improved ergonomic design means that when youre deep diving into your music, Marshall Major IV Bluetooth Headphones - Brown {Missing Items} B+ INCREDIBLE AUDIO 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. With the multi-directional control knob you can play, pause, skip and adjust the volume of your device, as well as power your headphones on or off. You can answer, reject or end calls with a few simple clicks. WIRELESS CHARGING Marshall Major IV Headphones can be charged wirelessly - just rest them on a charging pad (not included) and they will be ready to go again.