A Proscope Dual Head that allows student and instructor to listen simultaneously. * Combination diaphragm/bell Proscope chestpiece. * Two sets of adjustable aluminum binaurals. * Two sets of flexible 22 and one straight 10 length of black PVC tubing made without phthalates. * Two spare pairs of black mushroom eartips included. * Weighs 6.5 oz. * Overall length 44.5 . * Inspected and packaged in the U.S.A. * One-year warranty.