The CD that came with the device listed RTL8671B, but it's not on Realtek's website. Instead the manual points you to:
https://www.mytechkey.com/pages/driver
4.Bluetooth 5.0 Dongle
Driver Link:
https://www.dropbox.com/s/gwo9lz777i82f70/BT5.0%20Driver.zip?dl=0
Hope that helps someone.
https://github.com/peteristhegreat/drivers-backup/releases/tag/1.0
Direct link
https://github.com/peteristhegreat/drivers-backup/releases/download/1.0/BT5.0.Driver.zip
Adding visibility to @carkrueger 's comment below
If you look here: https://www.catalog.update.microsoft.com/Search.aspx?q=realtek+bluetooth+1.6.1015 You will find now: 1.6.1015.3014 from 11.01.2021
Direct download link: http://download.windowsupdate.com/c/msdownload/update/driver/drvs/2021/02/0d13721d-7aa7-47cf-887a-f53bcd228a5e_04c173bad44cec04d528d260392958dc6e5bcec3.cab
for backup purposes: h**ps://web.archive.org/web/20210216175344/http://download.windowsupdate.com/c/msdownload/update/driver/drvs/2021/02/0d13721d-7aa7-47cf-887a-f53bcd228a5e_04c173bad44cec04d528d260392958dc6e5bcec3.cab
Direct download and the popup window for 1.6.1015.3014
didn't initially work. I ended up needing to right click the link and select Save target as
.
For it to work for me on Windows 10, I unzipped the cab file into a folder and then used Device Manager to look at that folder. Worked like a charm.
I am currently using the latest official version from Microsoft 1.6.1015.3020
LMP 9.25805
How many versions have I tried, but my tws headphones don't work, the best thing that happens is stuttering. But with another adapter on the csr chip, bluetooth 4.1, there is sound and it almost does not lag. But realtek 5.0 doesn't work... as I understand it, the chip version determines the maximum allowed inHow many versions have I tried, but my tws headphones don't work, the best thing that happens is stuttering. But with another adapter on the csr chip, bluetooth 4.1, there is sound and it almost does not lag. But realtek 5.0 doesn't work... as I understand it, the chip version determines the maximum allowable Bluetooth version, with this How many versions have I tried, but my tws headphones don't work, the best thing that happens is stuttering. But with another adapter on the csr chip, bluetooth 4.1, there is sound and it almost does not lag. But realtek 5.0 doesn't work... as I understand it, the chip version determines the maximum allowable Bluetooth version, with this chip the best that canHow many versions have I tried, but my tws headphones don't work, the best thing that happens is stuttering. But with another adapter on the csr chip, bluetooth 4.1, there is sound and it almost does not lag. But realtek 5.0 doesn't work... as I understand it, the chip version determines the maximum allowable Bluetooth version, with this chip, the best you can get is like 5.1, but for version 5.2, if I'm not mistaken, you need a more serious modelHow many versions have I tried, but my tws headphones don't work, the best thing that happens is stuttering. But with another adapter on the csr chip, bluetooth 4.1, there is sound and it almost does not lag. But realtek 5.0 doesn't work... as I understand it, the chip version determines the maximum allowable Bluetooth version, with this chip the best thing you can get is like 5.1, but for version 5.2, if I'm not mistaken, you need a more serious model. and still I don't understand why it doesn't work... it doesn't work even with the built-in windows driver, tand still I don't understand why it doesn't work... it does not work even with the built-in windows driver, or rather with the driver that is automatically downloaded...
it's a pity, but the best that we will get with this type is the driver version 1.6, but not older. And the bestit's a pity, but the best that we will get with this type is the driver version 1.6, but not older. And the best we'll get is just a working module. while chips working with driver version 1.9 will get more. this can be viewed on the realtek website, for example, in the description of their chip that is used in the Bluetooth module. As I said our maxit's a pity, but the best that we will get with this type is the driver version 1.6, but not older. And the best we'll get is just a working module. while chips working with driver version 1.9 will get more. this can be viewed on the realtek website, for example, in the description of their chip that is used in the Bluetooth module. As I said, our maximum supports version 1.6 or 1.3, respectively, Bluetooth 4 and 5 (although according to some lmp versions, the driver sometimes turns out to be much older, but there is no difference.