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
If the Bluetooth device is integrated into a laptop (Dell, HP, Lenovo, Acer, etc.), the correct driver is available via the laptop’s support page under the original model number. The Listing Details 75270 on the Bluetooth SIG
Example Bluetooth vendor IDs: