From the Manufacturer
Add up to seven devices enabled with Bluetooth v1.1 technology to an existing USB PC or notebook to wirelessly print, synchronize your PDA information, and create dial-up connections through a mobile phone. The device allows the transfer of data from up to 10 meters away and has built-in security using 128-bit encryption and authentication. Supports Microsoft Windows 98 SE, Me, 2000, and XP, and is compatible with Mac OS S v10.2 and higher. The Mac driver is supplied by Apple.
The Bluetooth USB Adapter adds Bluetooth technology to your existing USB PC or notebook to let it work with all devices enabled with Bluetooth v1.1 technology. Wirelessly print, synchronize your PDA information, and create dial-up connections through a mobile phone. From up to 100 meters away you can effortlessly transfer data to other Bluetooth devices such as desktop or notebook computers, PDAs, scanners, printers, and even mobile phones-wirelessly. Connect with up to seven other Bluetooth devices at a time.