The zoom model 4320 zoom bluetooth adaptor plugs into a personal computer to provide a wireless connection to another bluetooth enabled device such as a modem mobile phone headset computer pda or peripheral the model 4320 is a class 2 bluetooth device which provides a range of up to 10 meters the model 4320 will communicate with all other bluetooth devices including class 1 class 2 and class 3 devices when connecting to class 3 devices the model 4320 is limited to the shorter range