: Many of these dongles use CSR (Cambridge Silicon Radio) chips. You can find compatible generic drivers at Driver Scape by looking for version 4.0.0.302 or similar.
The page launchstudiobluetooth.com/listingdetails/75270 driver windows 7 link is almost certainly a third-party driver aggregation entry. Instead of blindly trusting it, identify your Bluetooth adapter’s hardware ID in Device Manager, then search for the driver from reputable sources like Microsoft Update Catalog, Intel, Realtek, or your PC manufacturer. : Many of these dongles use CSR (Cambridge
While it's possible that the specific listingdetails/75270 page leads to a harmless driver, the odds are against you. the odds are against you.