A detachable adjustable electronics module may be removably or permanently connected to eyewear. The module may include electronics for processing audio and/or video input and/or output signals. The module may be provided with an adjustable arm, for adjustably carrying a speaker. The module and/or the speaker may be adjusted relative to the wearer in any of the anterior-posterior direction, the inferior-superior direction and laterally. Rotation adjustments may also be accomplished. Eyewear may be provided with only a single module, on a single side, or with two modules, one on each side, such as to provide stereo audio or dual mono sound.