- Pretty much same size but with bigger OLED screen (7 inches?), so almost no bezels.
- Current joycons compatible.
- Surface-style flap for tabletop gaming.
- Micro SD slot behind this flap on the back. Easier to acess to.
- Slightly thicker dock with 2 USB 3.0 ports and ethernet port.
- 4K TV output.
- It would arrive Europe at the end of November (edit: seems like this could be later than in other regions but this is not confirmed) with very limited units.
Source is Vandal (in Spanish), it has been correct in the past regarding several topics:
Nuevos detalles exclusivos de Switch Pro: pantalla, tamaño, dock, llegada a Europa...