3M™ Littmann® Electronic Stethoscope Model 310

The 3M™ Littmann® Electronic Stethoscope Model 3100 delivers both exceptional sound quality and a simple-to-operate user interface. With these sound and usability improvements, you might never go back to your old stethoscope.

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® 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