S Pen Pro - https://www.samsung.com/cz/mobile-accessories/s-pen-pro-black-ej-p5450sbegeu/ - kompatibilita s:
Z Fold3, 4, 5, 6
S22 Ultra, S23 Ultra, S24 Ultra
Tab S7, S8, S9, S10
Book3

Obal na Z Fold 4 - https://www.spigen.com/products/galaxy-z-fold-4-series-case-thin-fit-pro