Instead of trusting a sketchy URL, try these safer methods:

The Listing Details 75270 on the Bluetooth SIG website pertains to a generic Bluetooth 5.0 dual-mode controller, often utilizing the Realtek RTL8761B chipset. For Windows 7 functionality, locating the driver via the Hardware ID in Device Manager or installing generic Realtek drivers is recommended. For further troubleshooting, visit Microsoft Support Fix Bluetooth problems in Windows - Microsoft Support

It seems you are looking for a specific driver file associated with a Bluetooth device, likely listed under a unique identifier or product code ( 75270 ) on a website that appears to be related to Launch Studio Bluetooth ( launchstudiobluetooth.com ).