It is compatible with AirPods (3rd generation) with the MagSafe charging case, and AirPods Pro (2nd generation).

The AirPods Pro 2nd generation case will magnetize as it includes the magnet in the case to support this feature. The AirPods 3rd generation with MagSafe case can be placed on top of the Apple Watch charger on a flat, level surface and will support wireless charging but will not magnetize like the AirPods Pro.

(Source 1)

(Source 2)