Wireless USB 2.4GHz Bluetooth 2.0 Dongle Adapter for PC Laptop Notebook 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