Here is the definitive breakdown of when you do and do not need to install a driver for your UGREEN Bluetooth 5.3 adapter:
Ensure your headphones also support Bluetooth 5.0 or higher for the best latency. Key Specifications Chipset: Realtek (typically RTL8761BW). driver ugreen bluetooth 53
For models like the CM591 , which uses the ATS2851 chip , manual installation is often necessary. Here is the definitive breakdown of when you
Ensure the adapter is plugged directly into a USB 2.0 port, not a hub. which uses the ATS2851 chip
