•Bluetooth specification V1.2 Compliant
•Supporting profiles: Networking, Dial-up, Fax, LAN access, and Headset
•Operation system: Windows98, 98se, Me, 2000, XP
•Interface: USB compliance
•Symbol rate:1Mbps
•Receiving / Sending range:20m
•Length:1.77 ""(4.5 cm)
•Height:0.12 ""(0.3 cm)
•Width:0.71 ""(1.8 cm)
•Weight:0.36 oz(10.1 gram)
•Usage Instructions: 
•Install the software CD, then plug in the Bluetooth dongle. Connect to any Bluetooth device using the Bluetooth connection manager.
•During software installation, click ""Continue Anyway"" if Windows XP asks for XP driver compatibility.