3M Littmann Master Cardiology Stethoscope, 27 inch, Black tube

Perfect for critical applications such as cardiology, critical care and coronary care, the single sided chestpiece allows you to hear either low or high frequency sounds by simply applying varying pressure - light pressure for high sounds or firm pressure for low sounds utilizing 3M?s own tunable technology. Anatomically designed headset Two-in-one tube design (dual lumen) eliminates noise from two tubes rubbing together Pressure-based sound frequency adjustment with tunable diaphragm Special-procedures adaptor (included) for neonatal or pediatric auscultation Allows you to perform neonatal or pediatric auscultation with special-procedures adaptor included with stethoscope purchase