Motorola CFLN7621AA Universal Bluetooth USB Stereo PC Adapter Dongle D200 Includes: Brand New Motorola CFLN7621AA D200 Bluetooth Music Streaming Adapter 89126J Dimensions (WxDxH): 2 cm x 5.8 cm x 0.8 cm Connections: 1 x USB - 4 PIN USB Type A Max Range Open Space: 100 m Requires Windows XP of Vista operating systems and an available USB port.