3M Littmann Master Cardiology Stethoscope w/ 27 inch tubing BRAND NEW IN ORIGINAL BOX Comes with all the add-on accesories Outstanding acoustic performance and exceptional versatility characterize the Littmann Master Cardiology stethoscope. The innovative design offers a tunable diaphragm on each side of the chestpiece. FEATURES Patented tunable diaphragm technology allows you to conveniently alternate between low and high frequency sounds. Handcrafted solid stainless steel chestpiece. Two-in-one tube design eliminates tube rubbing noise. Excellent acoustic seal and comfortable fit with patented 3M?Littmann?Snap Tight Soft-Sealing eartips. Comfortably angled, anatomically correct headset . Patient-friendly, nonchill rim and diaphragm. Latex Free.