Clarifications and features: * Chest piece: It is a piece made of stainless steel, gold-plated, and double-headed, was produced with precision and hand-painted to achieve the highest performance and continuity. * Hearing tube: Whenever the average length of the tube, allow this to allow a comfortable space of the patient and the doctor. * Ergonomaxa earphone: hand-polished, angled gold-plated stainless steel that features an innovative dual-layer internal fitting for more continuity and convenience.
