... .0 2.100m operating range 3.LED indication usb phone bluetooth adapter dongle1.Super miniature size: 2.2 x 1.8 x ... , compliant with USB 2.06.LED indication7.Software upgradeable8.Built-in antenna9.Frequency band: 2.4 to 2.483GHz10.Maximum data rate ... object exchange, audio profile15.System requirement: PC or notebook with USB port, Windows2000, XP , Vista usb phone bluetooth adapter dongle