Designed to produce both high and low frequency sounds from a single-sided chest piece. Ideal use for Cardiology or other High Performance adult and pediatric applications. Features a handcrafted solid polished stainless steel chest piece. Two-tubes-in-one design helps eliminate tube rubbing noise. Lightweight angled and anatomically correct headset. Special procedures adapter for difficult site and pediatric auscultation. Includes nonchill rim and double leaf binaural spring. 3M Littmann Snap Tight Soft-Sealing eartips provide an excellent acoustic seal and comfortable fit. To help clinicians be sure they are obtaining a genuine Littmann Stethoscope all acoustic (non-electronic) stethoscopes with a 2007 lot code (or later) will carry a 3M Confirm Authentication Label with Floating Image Technology.