Features and Benefits of the:
3M™ Littmann® Electronic Stethoscope Model 3100/3200
Sound Quality:
Proprietary Ambient Noise Reduction Technology (ANR) Reduces background noise 85% on average without eliminating critical body sounds. 13% better ANR than previous models.

Acoustic Seal Eartips:
Patented 3M™ Littmann stethoscope snap tight soft-sealing eartips provides a comfortable fit and excellent seal Creates a tight acoustic seal from ambient noise entering through eartip connections.

State-of-the-Art Sound Sensor:
Built to stringent specification Sound experience equivalent to Littmann® cardiology-grade acoustic stethoscope. The sound received from the sensor is transmitted naturally to ears through the tubing.

Frictional Noise Reduction Technology:
Helps reduce handling noises compared to previous electronic models. Less distracting than previous models. Lets you focus on critical sounds.

Up to 24X Sound Amplification:
Extra listening power for when you need it. Helpful when a heart, lung or body sound is especially faint. May be useful for overly obese patients. May be helpful when the patient's clothing restricts your listening experience