FCC filings for the S Pen Pro, a bigger version of the S Pen with Bluetooth, have been made public, and reveal that the upcoming stylus will support the unannounced Galaxy Z Fold 3.
The Galaxy Z Fold 3 will support the S Pen Pro, according to FCC filings - The Verge
Samsung Galaxy Z Fold 3 announced with S Pen support and water resistance - The Verge
Galaxy Z Fold 3 Confirmed to Support S-Pen Pro via FCC Filing
F-TECH Fold 3 S Pen Fold Edition Stylus Pen 4096 Pressure Replacement for Samsung Galaxy Z Fold 3 5G Touch Screen Stylus S Pen with Tips (Black) : Cell Phones & Accessories
Samsung Galaxy Z Fold 3 announced with S Pen support and water resistance - The Verge
Galaxy Z Fold 3 review: Doing the most and yet not enough
F-TECH Fold 3 S Pen Fold Edition Stylus Pen 4096 Pressure Replacement for Samsung Galaxy Z Fold 3 5G Touch Screen Stylus S Pen with Tips (Black) : Cell Phones & Accessories
FCC filing reveals Samsung's Galaxy Z Fold 3 will support the S Pen Pro - Talk Android
A new FCC filing confirms the Galaxy Fold3 will support Samsung's S Pen Pro
Does the Samsung Galaxy Z Fold 3 have an S Pen slot?