Diagnose and make decisions with confidence and hear subtle changes in patient status Useful in critical care and challenging environments such as the ED, ICU, Cardiac ICU, step-down unit and other dynamic locations More than twice as loud* as the next leading stethoscope. *Based on tests against globally-available comparable stethoscopes in an equivalent class using recorded heart sounds with diaphragm. Allows you to more reliably and consistently hear heart sounds at lower frequencies (below 120Hz*) like Korotkoff sounds, Mitral Stenosis and S3 and S4 Gallops when compared to other leading stethoscopes. Weighs less** than other stethoscopes. ** Based on published weights of globally-available comparable stethoscopes in an equivalent class. Ergonomic and high profile construction; 40% larger chestpiece and 60% deeper bell than the 3M Littmann Classic III Stethoscope Tunable, dual-sided stainless steel chestpiece with open or closed bell; Non-chill bell sleeve for greater patient comfort Designed for use with adult and pediatric patients Soft-sealing ear-tips provide optimal comfort and excellent sound occlusion Designed and manufactured in the USA with globally-sourced materials; 7-year warranty