The Micro Bluetooth USB (Universal Serial Bus) Adapter (Model TBW-106UB) networks Bluetooth enabled devices such as cell phones, keyboards & headsets. The size of a penny, simply plug this micro-device into an available USB (Universal Serial Bus) port on your laptop or desktop & experience exceptional Bluetooth connectivity. Connect as many as 7 Bluetooth devices at distances of up to 100m (328ft). Enhanced Data Rate (EDR) technology transfers your data quickly. Adaptive Frequency Hopping (AFH) minimizes interference from other wireless technologies. This compact device also provides secure encrypted data communication. Features Connect Bluetooth-enabled devices such as printers, headsets, audio/video devices & mobile phones Compliant with Class I Bluetooth v 2.0 & v 2.1 specifications Enhanced Data Rate (EDR) support Bluetooth IVT software technology Adaptive Frequency Hopping (AFH) support Enhanced SCO (ESCO) for crisp & clear voice quality Compatible with Windows Vista/98SE/ME/2000/XP & Media Center Edition operating systems Communicates wirelessly up to 100 meters (328ft.) (depends on environment) Trouble free Plug & Play installation 2-year limited warranty