Featuring the extra deep bell completed with non – chill ring on both the bell and diaphragm sides for patient comport. The super sensitive diaphragm for low frequency sounds. Y-tubing with double leaf internal spring is designed soft and flexible. Binaurals and chestpiece are made from the stainless steel, set at the angle for greater comfort. Comes with two pairs of soft deluxe eartips in small and large size which color coordinated with the Y-tubing . Spare of diaphragm is included.