The 3M Littmann Cardiology IV Stethoscope in black grey is a high-quality medical device designed for various disciplines such as cardiology, emergency medicine, and internal medicine. Made by the reputable brand Littmann in the United States, this stethoscope is intended for use in a range of medical settings including hospitals, clinics, and diagnostic labs. With a chestpiece length of 27 inches, this complete stethoscope is equipped with advanced features to provide accurate and reliable assessments for patients in need of medical attention.