: 88-key models typically feature "weighted action" that mimics the resistance of real piano hammers, which is crucial for building finger strength.
: If you want to record, ensure it has USB/MIDI ports for computer connection.
: 88-key boards are heavy. If you plan to travel, look for "stage pianos" which usually weigh between 11kg and 20kg.
: Look for "Fully Weighted" or "Hammer Action" for the most authentic feel.