The headset is almost new and was used very little. It comes with all its accessories and has not been used. Specifications: Industry-leading noise cancellation, dual noise sensor processors with 8 microphones, 30mm driver unit, and up to 30 hours of battery life with quick charging. Full compatibility with most smart devices and operating systems via Bluetooth technology, and allows dual connection to two devices simultaneously, in addition to wired connection via the included cable for use with gaming consoles.