StarTech.com Mini USB Bluetooth 2.1 Adapter - Class 1 EDR Wireless Network Adapter 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 v2.1 specification along with Enhanced Data Rate (EDR) for transfer rates up to 3 Mbps. The adapter uses a small form factor design that makes it conveniently portable and unobtrusive when connected to a computer. Backed by a StarTech.com 2-year warranty and free lifetime technical support..