Product Details  dongle bluetooth dongle usb dongle,factory,CSR,v1.2,EDR+V2.0(2.1),support Windows98/2000/XP/Vistar or mac OS A2DP 1kt66  dongle bluetooth dongle usb dongle mini dongle . mini bluetooth dongle , smaller than 1 yuan coin , the length is 18mm only . Different colors are available . 1.Insert and play , no need to connect the power , supporting all kinds of bluetooth phones , strong compatibility , can transmit any file easily . 2.Intuitive software operation interface , no complex settings . 3.Apply to Windows 98SE/ME/2000/XP/vistar or Mac OS X 10.2.6 and other operation systerm , no need to drive under WindowsXP SP2 , easy to take along . 4.With access to Internet via wireless dial ( bluetooth phone devices needed) 5.Bluetooth wireless LAN ,can help 8 pieces of computers build a small wireless network , also can use this function to surf through bluetooth wireless base platform , or via the computer which inserted bluetooth dongle ( the connected base platform and the computer have to be connected to Internet ) . 6.Supporting bluetooth wireless fax ( the computer need to install fax software ). 7.Supporting bluetooth wireless file transmit . 8.Supporting bluetooth wireless data synchronization . 9.Supporting bluetooth virtual serial port . 10.Supporting bluetooth wireless print . 11.Supporting bluetooth headset . 12.Supporting bluetooth user interface ( bluetooth mouse and bluetoot keyboard ) . 13.Supporting bluetooth headset with access to the music on computer or chatting through MSN/QQ/SKYPE . 14.Own audio gateway . 1.CSR case ,compatiable with bluetooth v1.2, v2.0+DER, v2.1+EDR version , compatible with USB v1.1,v2.0 . 2.Operation freguency band :from 2.4GHz to 2.483GHz , using FHSS technology ( hopping fequency and widening frequency ) . 3.The operation range can reach 30 meters under open space . 4.Sensitivity :