3m Littman Master Classic II Black Stethoscope Exercise Tubing Bands Access Large Scale Digital Liquid Crystal Display Select Ear:Left Ear Large Scale Digital Liquid Crystal Display Screen Meeting the standards of therapists and clinicians the provides comfortable support functionality and positioning options Black 27 * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Excellent acoustic seal and comfortable fit with patented Snap Tight soft sealing eartips * Comfortably angled anatomically correct headset * Patient friendly nonchill rim and diaphragm * High performance single lumen tubing in a range of attractive colors * 3 year warranty *