An 88-key piano has seven octaves plus three lower notes (B, B flat and A) below the bottom C. It has 52 white keys and 36 black keys (sharps and flats), with each octave made up of seven white keys ...

🎹【Realize Freedom to Play】: The keyboard piano is lightweight and easy to carry.Portable keyboard piano with two power supply methods.You can choose to use a standard power adapter or a 1 ...