Marshall Major III Bluetooth Wireless On-Ear Headphones1Bluetooth aptX gives you exceptional audio quality and the freedom and convenience to move with 30 feet of wireless listening range. 230+ hours of wireless playtime on a single charge 3Iconic sound with 40 mm dynamic drivers that are custom tuned for enhanced bass response, smooth midst and crystal clear highs that draw on over 50 years of sound heritage. 4With the multi directional control knob you can play, pause, shuffle and adjust the volume of