Plug the UGREEN CM390 Bluetooth adapter into a USB port on your computer. Step 2: Automatic Installation (Win 10/11)
If the Setup.exe fails or freezes, perform a manual driver update:
Ensure your Bluetooth device (headphone/mouse) is in pairing mode, and the LED on the UGREEN adapter is flashing. 5. Key Features of the UGREEN CM390 Adapter
