A list of compatible devices can be found at Devices - Snapdragon Spaces (qualcomm.com) 

As of time of writing, the supported devices are Lenovo ThinkReality A3 in combination with Motorola Edge 30 pro or +, and Lenovo ThinkReality VRX.

Note that the OnePlus 11 is Snapdragon Spaces ready certified this device is working in combination with wireless glasses and not wired connections. Hence the OnePlus 11 is not compatible with Lenovo ThinkReality A3.