The Adscope Cardiology Stethoscope 601BK is a high-quality medical device designed for cardiology applications. Made by ADC, a reputable brand in Taiwan, this stethoscope is a single unit that comes in its original packaging. With a length of 28 inches, this stethoscope is perfect for healthcare professionals in the cardiology discipline. Whether you are a doctor, nurse, or medical assistant, this stethoscope provides accurate listening capabilities for diagnosing heart conditions.