2.4GHz Bluetooth v2.0 USB Dongle Adapter EDR for Windows Vista/XP/2000 Wireless data connectivity between computers and Bluetooth enabled devices such as cell phones, PDAs, printers, headsets and more Bluetooth V2.0 + EDR (Enhanced Data Rate). USB 2.0 high speed, backward-compatible with Bluetooth 1.x Working distance up to 20 meters with no obstructions Data Transfer Rate up to 3Mbps Compatible with MacOS, Linux, Windows Vista 32/XP/2000/Me/98