1,usb 2.0 bluetooth adapter 2,plug and play 2,Interface Type usb 2.0 3,Effective distance 100M 4,date transfer rate 3M bps Hot-sell usb2.0 bluetooth adapterSpecification:Bluetooth specification V2.0 Compliant.Supporting profiles: Networking, Diai-upm, Fax,LAN access, and Headset.Operation system: Windows98, 98se, Me, 2000, XP, Vista, windows 7.Interface: USB complianceSymol rate: 3 MbpsReceiving/ ...