Mini necklace 4-hole 8-tone harmonica

[Name]: 4-hole 8-tone mini necklace harmonica,
[Model]: Mini harmonica
[Specifications]: about 35mm long x 14mm wide x 12mm thick actual size:
Please refer to this as the picture is clear and intuitive
[Color]: red, blue, black, pink, gold, green, white, silver heart
Pitch]: 4-hole 8-tone standard pitch
[Tonality]: C key

[Scale]: 4 holes 8 Pu