If you see a CD included in the box, ignore it . Those discs contain drivers from 2013 that will crash Windows 10/11.
The BT-163 is a compact USB dongle that acts as a Bluetooth audio receiver. It typically features a USB plug for power and a 3.5mm auxiliary (AUX) audio jack for outputting sound. bt-163 bluetooth driver
The Invisible Link: Understanding the BT-163 Bluetooth Receiver If you see a CD included in the box, ignore it