Add bluetooth 20 with edr capabilities to a computer through usb the usbbt2edr2 usb to class 2 bluetooth adapter with edr is a micro sized adapter that adds bluetooth capabilities to a computer through an available usb port which enables you to connect to devices wirelessly at ranges up to 20m 65ft while consuming minimal power supporting the bluetooth v21 specification along with enhanced data rate edr for transfer rates up to 3 mbps this adapter uses a small form factor design tha