In the search bar, type the product model number or CM591 .
Does not work on Linux, macOS, car stereo systems, Xbox, or TVs. Setup Guide driver ugreen bluetooth 53
...bypasses the need for any proprietary driver on Linux. The open-source firmware for the RTL8761B is incomplete, but the driver (btusb) is fully FOSS. This is the ideal: hardware that works with a kernel driver, not a vendor blob. In the search bar, type the product model number or CM591
Works with BT 5.2, 5.0, 4.0, and 2.1. Range: Up to 20 meters (66 feet) in open spaces. In the search bar
One of the most confusing aspects for users is that UGREEN does not actually manufacture the driver.