If you own a set of Launch Studio Bluetooth 75270 speakers or audio device and have recently upgraded to Windows 10 (or performed a clean installation), you might have encountered a frustrating problem: your computer recognizes the device as “unknown” or the audio simply won’t stream. This is a tell-tale sign that you are missing the correct driver.
If your Windows 10 PC does not automatically recognize the device, you should use the following official resources: Microsoft Support Update Bluetooth drivers in Windows
Select Check for updates. If an optional driver update is listed for Bluetooth, install it. Update via Device Manager Right-click the Start button and select Device Manager.
If the device shows up as "Unknown Device" or has a yellow exclamation mark: Right-click the Start button and select Device Manager .
Logitech provides drivers for their "SetPoint" software, but the specific device database for the 75270 model has been removed from modern iterations of the software.
If the device doesn't even show up as an "Unknown Device" in Device Manager: