HDE Wireless USB Bluetooth 2.0 Dongle 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 of up to 20 meters with no obstructions Data Transfer Rate up to 3 Mbps; Compatible with Linux, Windows Vista/XP/2000/Me/98 HDE is a registered trademark and is the only authorized seller of HDE branded products