The Littmann Classic II S.E. Stethoscope is a dependable clinical tool for physical assessment and monitoring of patients. Benefits: - Versatile chestpiece design provides high acoustic sensitivity with both a tunable diaphragm and open bell. - Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece. - Non-chill rim and diaphragm provide patient comfort. - Soft-sealing eartips provide an excellent acoustic seal and comfortable fit. - Headset is easily adjusted for individual fit and comfort. Angled eartubes align with ear canals.