Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver Free May 2026

The Ugreen Bluetooth 5.0 USB adapter CM390 is a device that enables users to add Bluetooth functionality to their computers or laptops that lack built-in Bluetooth capabilities. This adapter is particularly useful for those who want to connect their Bluetooth devices, such as headphones, speakers, or smartphones, to their computers without the hassle of cables.

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. ugreen bluetooth 5.0 usb adapter cm390 driver

• Use the generic Realtek driver (auto-detects architecture).
• In Device Manager, uninstall the device, check “Delete driver software,” then reboot and let Windows Update try again.

The Complete Guide to the UGREEN Bluetooth 5.0 USB Adapter (CM390): Drivers, Setup, Troubleshooting & Alternatives

Introduction: Why the UGREEN CM390 Remains a Top Choice The Ugreen Bluetooth 5

, the driver often installs automatically upon plugging the device into a USB port. Manual Installation (CD) : You can use the included driver CD. Insert it, locate the file, and follow the on-screen prompts to complete the installation. Manual Installation (Online Download) : If you do not have a CD drive, visit the UGREEN official download page and search for product model to download the latest driver package. System Restart : After installation, click Use the generic Realtek driver (auto-detects architecture)