Long considered the standard stethoscope of the medical industry, the Littmann Classic II S.E. has a patented tunable diaphragm which adjusts to different frequencies simply by alternating pressure on the chestpiece. The Littmann Classic II stethoscope has been designed to be comfortable for both the patient and practitioner. Soft-sealing eartips provide combine with a non-chill rim and diaphragm. High quality, single lumen tubing means that the Classic II S.E. will withstand years of use. This is a limited edition All Black Model, incorporating black tubing and diaphragm head. All 3M Littmann Classic II S.E. Stethoscopes offer a comprehensive 3 year warranty. Features Non-chill rim for patients Soft-sealing eartips for user comfort (a pair of firm eartips is supplied in the box) Comfortable headset Angled headset Classic, stylish black tubing and head Specifications 71cm (28 inches) in length Tuneable diaphragm