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 Music or Sound Sharing: Pair your device via bluetooth and share your tunes through the audio cable, 2 or more people can share music moments at the same time Receiving Music at Both Ends: Connect two devices with a 3.5mm cable and another 6.35mm cable, and the music at both ends will be transmitted to ear at the same time, such as connect your phone and guitar simultaneously 50 hours playtime&40mm driver: 50-hour playback time to deliver a wireless experience. 40mm drivers – inner & outer rings deliver vibrant bass, vivid midst & vivacious highs without overlap