Add bluetooth 20 with edr capabilities to a computer through usb the usbbt1edr2 usb to class 1 bluetooth adapter with edr is a micro sized adapter that adds bluetooth capabilities to a computer through an available usb port this makes it possible to connect to devices wirelessly at ranges up to 100m 328ft with minimal power consumption the usb bluetooth adapter supports the bluetooth v21 specification along with enhanced data rate edr for transfer rates up to 3 mbps the adapter us