This 3M Littmann Classic II Infant Stethoscope 2157 is a reliable and high-quality instrument designed for cardiology use. Its brand, 3M, is known for producing top-notch medical equipment. This stethoscope is specifically designed for infant cardiology and is perfect for healthcare professionals who require a precise and accurate measurement of heart sounds.

The model number, 2157, is an excellent indication of the quality and durability of the instrument. It is also easy to use and provides clear and consistent results. This stethoscope is an essential attachment for any cardiology department and is sure to provide long-lasting and reliable performance.