Note: The ChatterBox Bluetooth 2.0 Dongle for Audio Devices with a 3.5mm headset jack has been discontinued and is no longer able to be ordered.ChatterBox introduces the BTD Bluetooth Dongle adapter. It also uses Bluetooth 2.0 (A2DP/AVRCP) technology to wirelessly stream your stereo music from any Mp3 player, satellite radio, navigation or other audio devices that have a standard 3.5mm headset jack. It has an internal rechargeable battery that lasts up to 6-8 hours of battery life. The BTD has a wireless range of up to 30 feet. Along with the ChatterBox Bluetooth 2.0 Dongle For Audio Devices With A 3.5mm Headset Jack you will get a USB cable for charging it from any computer.