Ugreen Bluetooth 50 Usb Adapter Cm390 Driver Install 〈CERTIFIED 2026〉

Search for the model number or the product code 80889 .

If the adapter works immediately, you do not need to install additional software. If you experience performance issues, proceed to Method 2. Method 2: Official Ugreen Driver Installation (Recommended) ugreen bluetooth 50 usb adapter cm390 driver install

: Once the installation is complete, click Finish and restart your computer to ensure the adapter is properly initialized. Search for the model number or the product code 80889

USB 3.0 ports can sometimes emit radio frequency interference that disrupts 2.4GHz wireless devices like Bluetooth. : Offers a reliable transmission distance of up

Frustrated, she opened her laptop, navigated to Device Manager, and found the culprit: a yellow exclamation mark beside “Unknown USB Device.”

The UGREEN Bluetooth 5.0 USB Adapter (Model: CM390 / SKU: 80889) Go to product viewer dialog for this item.

: Offers a reliable transmission distance of up to 20–30 meters (approx. 66–100 feet) in open spaces without obstructions .