· Jack lock design: For make sure the cable lock in place to ensure a secure connection, we add jack lock system on the stereo Aux cable. You don't have to worry about any connection problems when connecting the jacks and sockets.· Soft Memory Earcups: The breathable protein skin earmuffs and the soft sponge inside improve the wearing experience, make sure good sound insulation and there is no discomfort for long-term wear· 72 hours playtime&40mm driver: 72-hour playback time to deliver a wireless experience. 40mm drivers - inner & outer rings deliver vibrant bass, vivid midst & vivacious highs without overlap· Works with: All devices have 3.5mm or 6.35mm audio jack. Bass sound, durability, and comfort. These are the headphones you've been looking for· Mic in Cable:OneOdio audio 3.5mm cable with mic and on off button (3.9ft)