The Casio CTK-6250 Portable Keyboard Black and Red is ideal for student musicians looking for a user-friendly portable instrument. The CTK-6250 features 61 standard size keys ideal for younger students who dont require a full board. A great additional feature is the built-in mixer console for mixing the volume pan effects and other parameters. This is perfect for the versatile musician looking for a range of effects. This models battery power is ideal for mobile musicians who might not have access to a power source. The CTK-6250 offers lesson functions and songs allowing you to independently learn when away from your tutor.