This is a high-quality stethoscope from a well-known brand, perfect for medical professionals in a variety of disciplines including pediatrics, emergency medicine, and cardiology. The unit is brand new and has never been used. It is a 3M Littmann Classic III Monitoring Stethoscope 27, designed to be reliable and accurate for a variety of patient needs. The product is made in the United States and is intended for use in healthcare settings.