Key Locking System- Eison Kalimba thumb piano overwhelms most kalimba for its key stabilizing system. This kalimba has a solid manganese steel key saddle with 7 Locking Screws to stabilize the saddle without moving. Each saddle bridge is designed with Key Blocks so that tuning One kalimba key does not affect the others. It ensures more stable and clear sound even shaking or long time performance. | Richer and Brighter Sound-This kalimba is made of beautiful Mahogany& Maple Resonance Box, and Manganese Steel Keys, providing richer and clearer sound, longer sustain and comfortable to the touch.Playing kalimba with your children and beloved would always be a great moment to enjoy! | Easy to Play- End-Bending keys are super comfortable for fingers. Just hold the kalimba by hands and use your thumbs to play the keys. You can play single key, two keys, sweep the keys or make Wah-wah performance. | International Standard C Tune- 1(D6), 2(B5), 3(G5), 4(E5), 5(C5), 6(A4), 7(F4), 8(D4), 9(C4), 10(E4), 11(G4), 12(B4), 13(D5), 14(F5), 15(A5), 16(C6), 17(E6). Includes Key marks and labels. | Package Include- Portable Kalimba(Thumb piano) + English Instructions +Storage Bag +Tune Hammer & Wood+Key Marks & Labels.Great for kalimba beginners,professional players,kids,adults.