Help celebrate our 50th.
Share your stories of caring.
The story of 3M™ Littmann® Stethoscopes has always been your story. That's why we're celebrating our 50th anniversary by listening to you.
S3 grade 3 heart sound:49 dB(A)1
The flutter of hummingbird wings: 51 dB(A)2
NEW 3M™ LITTMANN®
1Cardiac sound levels determined by assessment of expert cardiologist
using 3M™ Littmann® Cardiology IV™ Stethoscope.
2Nature sound levels derived from public sources.