Product Features:
USB Version 1.1 / 2.0 Compliant
Bluetooth Version 2.0 Compliant
0-100 metre operational range
2.4 GHz Frequency band unlicensed ISM band
Compatible with Windows 98, 98SE, ME, 2000, XP, Vista, Win 7.
Enables non bluetooth PC
Supports bluetooth voice data

Mini Bluetooth USB Dongle For Desktop, Laptop, PDA, up to 100m Compatible with all bluetooth devices such as desktops, laptops, mobile Phones, PDA, printers, etc. bluetooth can make your connection go through walls and doors.
Connect wirelessly with many other bluetooth devices, i.e. laptops, keyboards, monitors, printers, mice, and any device that has Bluetooth functionality.

Data rate: up to 3Mbps.
Input Power: DC 5V (USB Power).
Measures: 12mm x 20mm
Weight: 8g