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 50m165 feet compliant with bluetooth 40 le edr the usb bluetooth adapter offers data transfer rates up to 3 mbps and low power consumption this bluetooth smart ready transceiver is an effective way to connect to a rapidly growing list of the bluetooth smart peripherals on the market including the latest ap