If it's the one you referenced it's either genuine or such a good fake that it doesn't matter. Try the toshiba bluetooth stack as that's what people have the mostr success with, although some people get it to work with windows or bluesoleil. It may also help to try several revisions, mainly a really new one and the last official release (3.0).
OS: Windows 10 64 bit Professional
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
CPU: AMD Ryzen 5900X
RAM: 16GB
GPU: Radeon Vega 56
