Which earbuds work with iPad 10th gen?

Any will work.

Wired headphones/earbuds with a 3.5mm plug can be connected to the iPad10 with a USB-C to 3.5mm Headphone Jack Adapter:

https://store.apple.com/uk/xc/product/MU7E2ZM/A

Otherwise, you can use Bluetooth wireless headphones/earbuds - such as Apple’s own AirPods, AirPods Pro and Beats.

Headphones & Speakers - iPhone Accessories - Apple

I don’t know

I was thinking the same