HOHNER mini harmonica keychain. Unused, with a clear case. The color is yellow. It has 4 holes and can play one octave: do, re, mi, fa, so, la, si, do. Despite its small size, it produces a clear sound. Size: Approximately 1 x 1 x 4 cm Recommended as a keychain, for collections, or for casual playing. Please refrain from purchasing if you are concerned about minor details, as this item has been stored at home. Shipping is planned via standard mail.