The 3M Littmann Lightweight II Stethoscope is an icon in medical instrumentation, renowned for its exceptional acoustics and durability. This general-purpose, entry level stethoscope is an excellent, affordable choice. Its tunable diaphragm can alternate between low- and high- frequency sounds without turning over the chest piece, while its 28-inch length provides further flexibility and portability. Trusted by healthcare professionals worldwide, it provides clear and accurate auscultation, ensuring precise diagnostics and comprehensive patient care. User Manual