Features:
Hear it: State-of-the-art sound sensor. Proprietary Ambient Noise Reduction (ANR) technology reduces on average 85% of unwanted background noise. Amplification capability when sounds are soft. Clinical evidence shows it's easier to detect difficult-to-hear heart sounds like S3 gallops, aortic regurgitation murmurs, as well as abnormal lung sounds. It all adds up to an exceptional listening experience - compared to acoustic scopes

Comfortable and surprisingly lightweight like non-electronic cardiology stethoscopes.
Excellent acoustic seal and comfortable fit with patented 3M Littmann Snap-Tight Soft Seal Eartips.