Earphone structure with a composite sound field

Earphone structure with a composite sound field

Earphone unit and a terminal device

Earphone wire winding box with coaxial and dual wheels

Earphone with adjustable headband with progressively shallow det

Earphone with control device of timing call setting

Earphone without impulse noise and conductive hearing loss

Earphone without impulse noise and surrounding blockade

Earphone without impulse noise and surroundings blockade

Earphone without impulse noise for protection against...

Earphone-microphone system having double ear braces

Earphone-microphone-earmuff assembly

Earphone-type speaker assembly

Earphone/microphone assembly

Earphones

Earphones with eyeglass attatchments

Earphoning

Earpiece adapter for an earphone or a headphone

Earpiece having detachable battery device

Earpiece with acoustic vent for driver response optimization