What Does Bluetooth Universal Serial Bus (BT-USB) Mean?

Bluetooth universal serial bus (BT-USB) is a wireless USB adapter. The BT-USB connects to the USB port on a PC or notebook computer. The BT-USB is a personal area network (PAN) using a high level of security. It eliminates the need for cables and can be used anywhere there are two or more Bluetooth devices that need to be connected.

Techopedia Explains Bluetooth Universal Serial Bus (BT-USB)

The BT-USB standard was developed by a group of electronic manufacturers including Intel, IBM, Toshiba, Ericsson and Nokia. The standards are overseen by the Bluetooth Special Interest Group (SIG).