The Littmann Classic 3 Stethoscope, used by millions of healthcare professionals worldwide, features very high acoustic sensitivity, a dual-sided movable chest piece with an adjustable diaphragm, and a variety of colors. This stethoscope is used for auscultating the heart, lungs, and intestines, as well as measuring blood pressure, making it suitable for medical students, general practitioners, and nurses. Distinctive features of this stethoscope include excellent auscultation quality, an adjustable diaphragm on both sides of the chest piece made from fiberglass and epoxy that functions as either a diaphragm or bell depending on the applied pressure, easy cleaning and connection of the diaphragm, high-quality materials used, latex-free construction, and the use of anodized aluminum for metal parts, which is utilized in aerospace manufacturing. It is lightweight and comfortable to use, with soft and durable ear tips, an attractive and unique design, and an outstanding variety of colors and patterns that cater to all tastes and uses.