44 keys (smaller than full-size keyboards which usually have 61, 76, or 88 keys).
Great for kids, beginners, and casual players.
Easier to carry and store.
Usually features 32 or 64-note polyphony.
Allows multiple notes to be played at once without cutting off the sound.
Includes a variety of instrument voices such as piano, guitar, violin, flute, drums, etc.
Some models offer 100+ built-in tones.