... in XP and VistaBluetooth V2.0 + EDR compliant, backward compatible with v1.2 and 1.1USB interface fits both Desktop PCs ... and Notebooks Internet Access sharing Enables communication with Bluetooth Mobile PhonesProtocol Bluetooth host controller, L2CAP, SDP, RFCOMM ... : Windows ME, Windows 2000, XP, Vista / Macintosh OS 10.2 NEW USB 2.0 PC BLUETOOTH DONGLE 100M DONGLE EDR ADAPTER