Endless comfort, even with long hours of use. The MAJOR Ⅲ Bluetooth (discontinued) is an on-ear headphone that embodies the beginning of a new chapter in Marshall's great rock history. It offers over 30 hours of continuous use on a full charge. The multi-functional control knob allows for operation of music players and call functions. KEY FEATURES ・Control knob on the unit allows for playback, pause, shuffle, volume adjustment, and other operations. ・Built-in microphone also supports call functions. ・Offers over 30 hours of continuous use on a full charge. ・By connecting another headphone/earphone to the unit's 3.5mm input terminal, simultaneous listening of music being played wirelessly is possible. ・Foldable and robust design, durable for long-term portability. ・Detachable USB charging cable included. ※ 3.5mm audio cable is missing. Operation has been confirmed. This is a used item, so returns and claims after purchase are not accepted.