The affordable general examination stethoscope with a patented single-sided tunable chestpiece design. The Littmann® Select Stethoscope provides good response in both high-frequency and low-frequency ranges. Its reliable and clear acoustics offer an advantage to health care professionals when listening to heart, lung and blood pressure sounds. The durable chestpiece assures long-lasting performance and is protected with a scratch-resistant, satin finish. - Patented tunable diaphragm that conveniently alternates between low and high frequencies without the need to turn over the chestpiece. - Portable convenience of a single sided chestpiece. - Comfortably angled, anatomically correct headset. - Single-lumen tubing in a range of attractive color. - Two year warranty.