COMSOL UBT-120 - Manual (Page 10)

USB Bluetooth Adapter User Manual Page 9
5.2 Win98SE platform
5.2.1 When installing, it would request the Win98 CD as below.
5.2.2 Click “OK”.
5.2.3 And then the dialog would appear, Click “Cancel”.
5.2.4 Then wait the installation finished, and reboot the system. If Windows
booted, insert the dongle. The driver would auto-loaded.