What object has keys that open no locks, space but no room, and you can enter but not go in?

Common Wrong Answers
“A house”
A house has keys that open locks, physical rooms, and you can enter it, which contradicts the clues given in the riddle.
“A car”
A car has keys that unlock doors, provides space for passengers, and you can enter it, which does not align with the attributes described in the riddle.
“A computer”
While a keyboard is part of a computer, the riddle specifically describes the keyboard's unique characteristics that distinguish it from the computer as a whole.
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