Description:Each chest piece is equipped with three sound-collecting bells of large, medium and small sizes, which are suitable for auscultation of infants, children and adults as well as fetal heart sound, breath sound, and high and low heart sounds respectively based on the area of auscultation and range of frequencies to achieve an optimal sensitivity of frequency response.with integrating the functions of stethoscope and clock, the chest piece enables medical staff to easily get heart rate and pulse rate, answering for demand of modern medicine.
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