These state of the art GearHead BT9850 Bluetooth Headphones provide a seemless connection to your Bluetooth enabled devices. Bluetooth connectivity allows for hands-free mobility while you make phone calls, listen to music, watch movies or chat on the internet from distances as far as 30ft away. This innovatiove design was built with custom shaped 40mm drivers that deliver a Dynamic Bass Response that is noticeably better than competitive models. Built-in media controls allow you to adjust the volume up/down, play, pause and track forward/backward right on the side of the headphone, so you can master your media controls. Also includes an answer call button as well as a mute button for use when making phone calls. New longer lasting rechargeble battery gives you hours of wireless freedom. Now with super-charge which charges the headset up to 5x faster than before. Allowing you to listen and chat longer.