stethoscope comes with Chrome plated chest piece with special diaphragm; Compact with dual frequency; Seamless PVC tubing; Brass chrome plated open spring frame. The stethoscope is an acoustic medical device for checking sounds in the body, listening to the heart and breathing sounds. Normal heart sounds have a frequency range between 20 Hz to 200 Hz. Morepen is a fully-owned subsidiary of Morepen Laboratories. A legacy of 35 years and continuing, Morepen Laboratories has brought some of the most trusted health products to you, recommended by doctors and accredited by international bodies. Review Very good Must buy. brand is brand good one, actually I brought it for listening my baby activities inside my wiffyy's womb. Fair enough for the price. Diaphragm is a bit cheap. ortho shop stethoscope wholesale dr morepen microtone whitefield kadugodi kundanhalli varthur mahadevapura krpuram hoodi ITPL chansandra belathur marathahalli rammurthynagar AECS Layout sidapura Lokesh Jain Apex