Startech Mini USB Bluetooth 2. 1 Adapter Class 1 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.