... dongle 1.full speed usb interface,compliant with USB 2.0 2.100m operating range 3.LED indication usb phone bluetooth adapter dongle1. ... .Class I operation4.Powered by PC5.Full speed USB interface, compliant with USB 2.06.LED indication7.Software upgradeable8.Built-in ... exchange, audio profile15.System requirement: PC or notebook with USB port, Windows2000, XP , Vista usb phone bluetooth adapter dongle