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.

Reduces background noise 85% on average without eliminating critical body sounds.

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

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

Easy-to-Operate Controls

• Dedicated controls for power on/off, bell/diaphragm frequency, and (+) and (-) buttons to adjust sound level up or down
• All controls and display are easily viewable while you listen
• In the Littmann® Model 3100: Menu button produces screen-guided commands to customize start-up settings options
• Ambient Noise Reduction (ANR) is always there when electronic stethoscope is on

Convenient LCD Display

• Advises you of current sound level
• Indicates remaining battery life
• Displays patient heart rate after 5 seconds, then updates every 2 seconds
• Backlight for low-light conditions
• Indicates if stethoscope is in sleep mode

Instant-On Feature

• No waiting to start your next auscultation; it's ready when you are
• Stays in battery-saving sleep mode until you start your next auscultation

LCD Backlight

• Customizable backlight options
• Option to always run backlight at a reduced level to conserve battery life
• Easily activates with a quick touch of the power button

Worry-Free Power

• Multiple reminders when battery life is low, including an LCD display icon
• Tool-free access to battery compartment
• Operates on a single AA battery
• Compatible with lithium batteries for cold temperature auscultation
• Compatible with rechargeable batteries and NIMH batteries

Warranty

• Two-year eartip-to-diaphragm warranty