3M Littmann® Master Cardiology Stethoscope offers a handcrafted stainless steel chestpiece with the portable convenience of a single-sided stethoscope. The tunable diaphragm conveniently alternates between low and high-frequency sounds with a simple pressure change on the chestpiece. It meets the exacting standards of healthcare professionals who demand superior acoustic response.

• Comfortable fit and excellent acoustic seal with patented 3M Littmann® snap-tight soft sealing eartips.
• Durability is demonstrated by the fact that the headset can be reliably flexed one million times.