Chromatic Harmonica Professional Grade 10 Hole 40 Tone Key of C Stainless Steel Heavy Duty with Case & Cleaning Cloth for Professional Player,Band,Beginner,Students,Children,KidsBrand: Eison Color: Chromatic Harmonica Features: Pocket Piano This is a chromatic harmonica with 10 hole 40 tones is a great Christmas Gift for your family & friends. Theres a button on the right which when NOT pressed allows you to play a standard major scale in the key of "C", and while with the button depressed, gives you all the half steps or notes in between, like the piano black keys. This chromatic harmonica allows you to perform full range of