Littmann Master Classic II black edition - black coated chest piece and binaural. The master classic II offers efficiency in auscultation that is unprecedented in a general examination stethoscope. Its patented single-sided tunable diaphragm allows monitoring of both high and low frequency sounds without having to turn over the chest piece. Features high performance single-lumen tubing, nonchill rim and patented Littmann soft-sealing ear tips. Includes a three-year warranty.