The Littmann Classic III stethoscope is the latest version of the stethoscope. It brings new design, materials and technology to the Littmann stethoscope series trusted by clinicians around the world. The Classic III stethoscope offers high acoustic sensitivity for performing general physical assessments, tunable diaphragms on both the adult and pediatric sides of the chestpiece, Single-piece diaphragm that's easy to attach and easy to clean because the surface is smooth without crevices and next-generation tubing with improved resistance to skin oils and alcohol for longer tubing life.