1,bluetooth dongle v1.2 2,plug and play 3,Interface Type usb 2.0 4,Effective distance 25M 5,date transfer rate 1M bps Antenna usb2.0 bluetooth dongleSpecification:1,Bluetooth specification V1.2Compliant.2,Supporting profiles: Networking, Diai-upm, Fax,3,LAN access, and Headset.4,Operation system: Windows98, 98se, Me, 2000, XP, Vista, windows 7.5,Interface: USB compliance6,Symol rate: 1 Mbps7, ...