Combination of monophonic or stereophonic headphones with audio players, e.g. integrated in the headphone

Full Title

Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups > Details of earpieces, attachments therefor, earphones or monophonic headphones covered by H04R1/10 but not provided for in any of its subgroups > Combination of monophonic or stereophonic headphones with audio players, e.g. integrated in the headphone