The 3M™ Littmann® CARDIOLOGY IV™ Stethoscope is a high-quality, dual head (bell & diaphragm) stethoscope designed for a wide range of medical and lab equipment, devices, and healthcare applications. With a chestpiece type that ensures maximum accuracy and precision, this stethoscope is ideal for emergency medicine, dermatology, cosmetology, dental laboratory, internal medicine, endodontics, dentistry, anesthesiology, cardiology, endocrinology, biological laboratory, and family medicine. This stethoscope is made by 3M, a trusted brand known for producing high-quality medical devices. It has a model number of 3M Littmann Cardiology IV and is manufactured in the United States. With its purple open box, this stethoscope is perfect for anyone looking for a reliable and efficient tool for their medical practice.