Editorial Reviews:
Synopsis
ADSCOPE 657 electronic stethoscope provides up to 16x (24 db) the amplification of traditional acoustic scopes. 16 step volume control. 3 frequency modes including bell for most heart sounds, diaphragm for lung sounds, and extended range. Contact microphone activates only when chest piece engages patient. 3 minute auto off and 180 hours continuous use on one lithium battery