The B foot flute manufacturer tells you that the piccolo is a shrunken flute. In Italian, "piccolo" (flauto piccolo) means small flute. Like the flute, the piccolo is usually set in the key of C major, which is an octave higher than the regular flute (making them the highest-pitched horizontal flute). Sound range d2 ~ c5. The notation is the same as the flute, but the actual pronunciation is an octave higher, the highest musical instrument of all wind instruments.

The B foot flute manufacturer tells you that the piccolo's tone is sharp, bright, and penetrating. Piccolo music is written one octave lower than standard pitch. The fingering of the piccolo is the same as that of the flute, but the sound is an octave higher than that of the flute. Many alternate fingerings may also be used to adjust the frequency of their characteristic pitch.
The B foot flute manufacturer tells you that there is a piccolo pitch of D in the increased part of the standard C major piccolo, sometimes used to coincide with a flat A, brilliantly used in Italian marching bands. Because it is the highest-range instrument in the flute family, the piccolo often plays a foil role in orchestral music, and although its decorative function is more important than melodic, the piccolo solo is not uncommon.
The above is the B foot flute manufacturer's introduction and analysis of the characteristics of the Piccolo, hope it helps you.