Explanations and Features: * Chest piece: A lightweight and strong double-headed aluminum chest piece that has been meticulously produced and hand-coated to achieve optimum performance and durability. * Comfortable ear pieces: Comfortable and soft silicone ear pieces, phthalate free and clean. * Compatible headphone with safety switch: The hand-polished, chrome-plated headphone features innovative dual-layer internal fitting for a longer life span. * Hearing tube: Consists of thicker, thicker Y tube-free, non-sticky tube that provides sound-top insulation and prevents noise from outside and cracks and tears from repeated use.
