17 Keys Musical Piano Pickup with Storage Bag Tuning Hammer G9W3

Keys: 17 keys. 1 Thumb Piano. International standard C tune design, the corresponding tunes of the tines are 1(D6), 2(B5), 3(G5), 4(E)5, 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)(from left to right).

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