Add Bluetooth 4.0 capabilities to a laptop or desktop computer through USB. The USBBT1EDR4 USB to Class 1 Mini Bluetooth Dongle lets you add Bluetooth wireless capabilities to a laptop or desktop computer through USB, with support for transfer distances of up to 50m (165ft).Compliant with Bluetooth 4.0 LE +EDR, the USB Bluetooth adapter offers data transfer rates up to 3 Mbps and low power consumption.