The Casio CTK-2300 Portable Keyboard is ideal for student musicians looking for a user-friendly portable instrument. The CTK-2300 features 61 standard size keys which is ideal for younger students who dont require a full board. The 400 built-in voices include a range of pianos synths and strings to experiment with. This models additional battery compartment is ideal for mobile musicians who might not have access to a power source. The CTK-2300 offers lesson functions and songs allowing you to independently learn when away from your tutor.