In French, "clé USB" is feminine. The word "clé," meaning "key," is a feminine noun, so the entire phrase takes a feminine article, as in "la clé USB."
Feminine
its masculine no doubt
feminine
Masculine
masculine
La pizarra is feminine, (el) is masculine, and (la) is feminine.
Une école feminine
it is masculine so El
directeur → masculine directrice→ feminine
Masculine is the opposite of feminine.
feminine
Feminine