Big button keyboard (Finsbury Park N4)

Possibly for a Mac so I can’t test it if it works or not
I haven’t cleaned it as am not sure what is a safe way to do so
Before requesting this offer, please check that you are able and willing to travel to St. Thomas's Rd, N4 2QQ
If driving:
1) ask re parking restrictions which are subject to changes
2)be aware that usually, you can only enter( and leave)the area from Blackstock Rd into Ambler Rd or Rock St into St. Thomas's Rd or get caught by council cameras. this may change so always check signage