How to check whether the Windows is using Bluetooth Classic SPP or BLE Serial profile?

Question

I managed to create COM port communication using Bluetooth between Windows PC. How to check whether the Bluetooth standard used is Bluetooth Classic or BLE by my PC. Both PCs possess BLE drivers.

EDIT(Added the registry structure) enter image description here

Answer 1

如果端口出现在HKEY_LOCAL_MACHINE \\ SYSTEM \\ CurrentControlSet \\ Enum \\ BTHENUM {00001101-0000-1000-8000-00805f9b34fb} _VID＆0001001d_PID＆1200下，则它是经典的SPP服务。