Convenience is offered through 3M's 'tunable technology' in the diaphragm which allows you to hear low and high frequency sounds by simply applying light or firm pressure to the chestpiece. Educators can purchase the Littmann® Master Classic II as a teaching stethoscope which is the same great quality with a long, 40" tube and two headsets allowing both the educator and the student to hear the same sound simultaneously

• Comfortable fit and excellent acoustic seal with patented 3M™ Littmann® Snap-Tight Soft Sealing Eartips.
• Expect great performance with a eight rating on a 1-10 scale.
• Comfortable to use with its award winning ergonomic design.
• You will get optimal sound transmission with its anatomically designed headset which strategically and comfortably fits in your ear canal. So durable, it can be reliably flexed one million times.
• Suit your style by selecting a tube color and chestpiece finish that fits you. A large variety is offered.