Product Feature:
** Versatile, Double-sided chestpiece for adult, and pediatric auscultation.
** pediatric side converts to an open bell by replacing the diaphragm with a non-chill bell sleeve (included).
** Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece
** Dual-lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional doubles tubes.