Ugreen Bluetooth 5.0 Usb Adapter Cm390 Driver [Android]

Right-click it, select , and restart your PC with the dongle plugged in. 🔊 Audio Lag or Stuttering

The CM390 is not officially supported on macOS. Linux systems require kernel 5.8 or higher for native RTL8761BUV chipset support. Step-by-Step Driver Installation Guide

If you decide to stick with the CM390, it remains an excellent choice for Windows users who don’t mind a 5-minute driver setup. ugreen bluetooth 5.0 usb adapter cm390 driver

Before buying any USB Bluetooth adapter, assume you will need to install a driver manually. Bookmark this guide, download the driver from Realtek’s site, and keep a copy on your cloud storage. This way, whether you are setting up a new PC or reviving an old one, your UGREEN CM390 will work perfectly within five minutes.

The CM390 uses a Realtek chip that functions perfectly on Windows 11. If Windows 11 fails to recognize it automatically, manually install the Windows 10 driver version using the compatibility mode installer. Right-click it, select , and restart your PC

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 to get the driver you need.

Enable Bluetooth on your target device (phone, headset, etc.) and set it to pairing mode. Step-by-Step Driver Installation Guide If you decide to

Linux kernel 5.4+ has native support for the Realtek RTL8761B, but only after you add the firmware. Without it, dmesg shows: Direct firmware load for rtl8761b_fw.bin failed .

After installation, run through this checklist: