Developed to be compatible with the usual telephone the gn 9330 delivers hands free features and maximum sound quality for the user39s convenience it is the first wireless headset in the industry that provides 68 khz wideband usb sound quality the gn 9330 offers advanced headset technology at affordable prices and they can effortlessly be handled with just a 39plug and play39 installation not only that the users are rewarded of topnotch benefits of wireless mobile technology