... Bluetooth Class II: 20 meters (in open space) 3. convenient for outside 1.100m mini bluetooth USB dongle, USB bluetooth dongle, bluetooth dongle.2.Bluetooth Standard: Bluetooth ... v2.1 + EDR3.Mini size more convenience for notebook and taking outside.4. I ... :Networking,Dial-up,Fax,LAN Access and Headset .9. in blister package, OEM order ...