The 3M Littmann Classic II Infant Stethoscope is based on the proven design of Littmann Classic stethoscopes. Its a dependable, hard-working clinical tool for physical assessment, monitoring, and diagnosis of the smallest patients. The 3M Littmann Classic II Infant Stethoscope is specially designed for use on the smallest patients. It delivers high acoustic sensitivity, through its dual-sided chestpiece, for both high and low frequency sounds. It is used by medical professionals and students ali