MEDIKEN New Model Low/High Frequency Co-planar ME095 Enhanced Version Double-Sided Type, Double Type, Adult & Pediatric Universal (Blue) Brand New, Unused [Double-Sided Chest Piece] The chest piece can be rotated to switch between adult and child/pediatric use. [Dedicated Suspended Diaphragm] Superior for listening to higher-pitched sounds, suitable for listening to a wide range of frequencies. [Stainless Steel Binaural] Made of high-quality stainless steel, it has excellent durability and is suitable for frequent use. [Soft Silicone Eartips] The standard eartips are made of very soft silicone material, providing a comfortable feel.