How can I tell of my AirPods Pro is fake

Also look at the charging case and in the top lid it should show its model number also

AirPods Pro Charging Case

Model number: A2190

Year introduced: 2019

Works with AirPods Pro

If you open up the lid of the case and then go into Settings > then Bluetooth then click the small "i" icon next to the name on the right and it should show you the model number and that should be

AirPods Pro

Model number: A2084, A2083

Identify your AirPods - Apple Support

Does the back of it say apple in small print? by the metal opening part under it it should say designed by apple in california

assembled in China