Bluetooth 5.0 Usb Adapter Cm390 Driver [2021] | Ugreen

The "CM390" is UGREEN’s specific PCB and casing design for their flagship Bluetooth 5.0 dongle. It is plug-and-play for Windows 10/11 only if Windows Update is enabled. However, many users disable Windows Update or need the driver for older OS versions, which is why the driver file is critical.

If your computer has , you must disable it before installing the UGREEN adapter to avoid hardware conflicts: Unplug the UGREEN adapter Open Device Manager (Right-click Start > Device Manager). ugreen bluetooth 5.0 usb adapter cm390 driver