A precision stethoscope incorporating innovative design technology. Outstanding acoustics combined with a unique and easy-to-grasp chestpiece allow easy movement between auscultation sites. The Littmann Cardiology S.T.C. stethoscope's innovative design allows easy movement and handling by the healthcare provider while still providing outstanding acoustics. The tunable diaphragm allows the user to conveniently alternate between low- and high-frequency sounds by applying a simple pressure on the chestpiece. 6 years warranty. Recommended for use by: • Cardiologists • Pulmonologists • General Practitioners