1 x Piano 1x Tuning Hammer 1xTune StickersFeatures:High Quality MaterialHandmade with high-quality solid wood and metal bars, providing you a better sense of hearing, vision and touch.Easy to Learn and PlayWithout any music basis, you just move your thumb to get the wonderful music that delights your day long. The English manual book helps you tune and play this finger piano easily. Suitable for kids adults beginners, professionals and band.International Standard C Tune17 keys / notes(Left to Right):1(D), 2(B), 3(G), 4(E), 5(D), 6(A), 7(F), 8(D), 9(C4), 10(E), 11(G), 12(B), 13(C), 14(F), 15(A), 16(C), 17(E). They are all printed on the tines, easily to be seen.PortableSmall size(smaller than a 13 inch computer, a little bigger than a cellphone) pocket piano, portable for performance, recording, family, outdoor, school, party, and relaxation.Specifications:Resonant Box Material: Pine woodKey material: metalThe number of keys: 17 keysTonality: C TuneSize: 3x5x18cmWeight: 200gHow to tune:1. Tuning toolPortable tuner, tuned piano or cellphoneiOS users can download Tuner Lite or insTuner, Android user can download gstrings, or a tuning hammer. There are many free apps for both types of devices. Just search for Tuner.2. Tuning steps:(1) Pluck the middle tine of the Kalimba.(2) Use the tuning hammer to tune the tine, until the note in the tuner matches the default note and the pointer directing to the center position.