Question about Apple Magic Trackpad 2022

Why are there 3 versions of the Magic Trackpad? Makes no sense at all. https://www.digitec.ch/de/s1/product/apple-magic-trackpad-2-kabellos-maus-8766486 https://www.digitec.ch/de/s1/product/apple-magic-trackpad-2022-kabellos-kabelgebunden-maus-19875363 https://www.digitec.ch/de/s1/product/apple-magic-trackpad-2021-kabellos-maus-16825949 What is the difference here? Apart from the price, I don't see any.