The Littmann Classic III Stethoscope in Navy Blue is a high-quality diagnostic instrument featuring a dual-sided chest piece with tunable diaphragms. This professional-grade stethoscope offers excellent acoustic performance and versatility for both adult and pediatric auscultation. The stethoscope features a stainless steel chest piece with a navy blue tube color. As a medical device used for patient examination and diagnosis, specific features and technical details should be verified with the manufacturer or authorized retailer.