Overview The Ugreen Bluetooth 5.0 USB Adapter CM390 is a compact and portable Bluetooth adapter that allows you to add Bluetooth connectivity to your computer or laptop. It uses the latest Bluetooth 5.0 technology, which provides faster data transfer rates, wider range, and improved compatibility. Key Features
Bluetooth 5.0 technology for fast and stable connections Compatible with Windows, macOS, and Linux operating systems Supports wireless connections up to 10 meters (33 feet) Compatible with Bluetooth-enabled devices such as headphones, speakers, mice, keyboards, and more Compact and portable design for easy carrying
Driver Installation To use the Ugreen Bluetooth 5.0 USB Adapter CM390, you may need to install a driver on your computer. Here are the general steps:
Connect the adapter to an available USB port on your computer. Download the driver software from the Ugreen website or a trusted driver repository. Follow the on-screen instructions to install the driver. Restart your computer to complete the installation. ugreen bluetooth 5.0 usb adapter cm390 driver
Common Issues and Solutions
No Bluetooth signal : Ensure that the adapter is properly connected to your computer and that the driver is installed correctly. Device not recognized : Try restarting your computer or reinstalling the driver. Connection issues : Move the adapter to a different USB port or try resetting the Bluetooth device.
Specifications
Model: CM390 Bluetooth version: 5.0 Frequency range: 2.4GHz Wireless range: up to 10 meters (33 feet) Compatibility: Windows, macOS, Linux Dimensions: compact and portable design
Warranty and Support The Ugreen Bluetooth 5.0 USB Adapter CM390 typically comes with a warranty and dedicated customer support. For more information, please visit the Ugreen website or contact their support team directly.
To set up the UGREEN Bluetooth 5.0 USB Adapter (CM390) Go to product viewer dialog for this item. , follow these steps to install the driver and pair your devices. Note that this adapter is compatible with Windows 7, 8.1, and 10. 1. Driver Installation Go to product viewer dialog for this item. (official model number ) typically requires a manual driver installation to function correctly. Option A: Download from Official Site (Recommended) Visit the UGREEN Download Center Search for the product model number . Download the driver package and unzip the folder. Run the setup.exe file and follow the on-screen prompts. Option B: Use the Provided CD Insert the driver CD into your computer's disc drive. Open the folder and double-click setup.exe . Follow the installation wizard and click Finish to restart your computer. 2. Important Troubleshooting Tip If your computer has built-in Bluetooth , 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). Find your internal Bluetooth radio, right-click it, and select Disable device . UGREEN adapter back in and proceed with the installation. 3. Pairing a Device Once the driver is installed, you should see a Bluetooth icon in your system tray. Enable Bluetooth on your target device (phone, headset, etc.) and set it to pairing mode. On your PC, double-click the Bluetooth icon in the status bar. Click Add a device and select your device from the list. Confirm any pairing codes on both devices to complete the connection. Are you having trouble with the driver specifically , or is the adapter not showing up in your Device Manager? UGREEN CM390 Bluetooth 5.0 USB Adapter User Manual Overview The Ugreen Bluetooth 5
I understand you're looking for the driver for the UGREEN Bluetooth 5.0 USB Adapter (Model: CM390) . However, I cannot "write a paper" about this driver, as that would be inventing a technical document that doesn't exist or misleading you. Instead, I will give you the factual, correct information to get the driver you need. Important Fact: The CM390 Uses a Standard Chipset (No Manual Driver Needed on Windows 10/11) The UGREEN CM390 (Bluetooth 5.0 adapter) typically uses the Realtek RTL8761B chipset.
Windows 10 & 11: The driver is built into the operating system. You should not download a separate driver. Just plug the adapter in, and Windows will automatically install it as "Generic Bluetooth Adapter." Windows 8.1, 7, or Linux: You may need a driver.