Redefining what a stethoscope can do for you. Hear it. The 3M Littmann Electronic Stethoscope Model 3200’s exceptional sound capabilities deliver an exceptional auscultation experience. Clinical evidence shows that it’s easier to detect difficult-to-hear heart sounds like S3 gallops, aortic regurgitation murmurs, and abnormal lung sounds. Here's why: Ambient Noise Reduction 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 Sound Sensor 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 Record it. Capture a sound for later playback. Helpful when seeking a peer opinion or when writing up notes on your patient’s condition, after your patient has left. Send it. Bluetooth technology lets you transmit sounts in real-time to your PC, which can then be further analyzed, attached to medical records, or reviewed online with colleagues. Quick and simple. No cords required. Confirm it. Visualize heart and lung sounds using Zargis StethAssist software, included free with every 3M Littmann Electronic Stethoscope Model 3200. Or use available Zargis Cardioscan software to help you detect and classify suspected heart murmurs while with your patient.