A hand-held drum like a tambourine (often in a set of two or three but without jingles) characteristic of Puerto Rico's plena style.

a small hand-held drum, similar to a tambourine, and used in folk music genres such as the plena

A hand-held drum - similar to a tambourine but without jingles - used in the interpretation of the Puerto Rican plena rhythm, often in a set of two or three.