Un lecteur (masc.). The same goes for 'lecteur mp3' where mp3 is just a complement for 'lecteur'.
masculin
Masculine describes the gender of the French word baladeur. The masculine noun in its singular form translates as "music player" or "Walkman" in English. The pronunciation will be "ba-la-duhr" in French.
Feminine
its masculine no doubt
Masculine
feminine
masculine
The word "universidad" is feminine in Spanish.
La pizarra is feminine, (el) is masculine, and (la) is feminine.
Une école feminine
it is masculine so El
directeur → masculine directrice→ feminine
feminine