3M Littmann Electronic Stethoscope Model 3100
Littmann® Model 3100 electronic stethoscope offers improved sound quality and ease-of-use to help you make a clear diagnosis. Reduces background noise an average of 85% with proprietary Ambient Noise Reduction Technology and amplifies sounds up to 24 times to hear faint sounds you might otherwise miss.
Buy 3M™ Littmann® stethoscopes online and in-person through authorized retailers only.
More information: http://solutions.3m.com/wps/portal/3M/en_WW/Littmann_3100_3200/stethoscope/electronic/