ADC Proscope 670 Dual-Head Adult General-Exam Stethoscope, 32" Length, Orchid Lightweight aluminum chestpiece construction, combination diaphragm/bell chestpiece for wide frequency response Proprietary diaphragm enhances acoustics response by 50% over traditional design Adjustable aluminum binaurals with pvc eartips. flexible 22' pvc tubing Spare pair of black mushroom eartips included Inspected and packaged in the usa