Littmann Stethoscopes are have a reputation for exceptional quality. Clinical evidence shows the 3M Littmann Electronic Stethoscope Model 3100 makes it easier to detect difficult-to-hear heart sounds like S3 gallops and regurgitation murmurs, as well as abnormal lung sounds.
With the Littmann® Model 3000 Series Stethoscope…
83% of cardiologists indicated it was easier to detect/hear a S3 gallop
82% of cardiologists indicated it was easier to detect/hear an aortic regurgitation murmur (Grade 1 or 2)
90% of critical care nurses indicated it was easier to detect/hear abnormal lung sounds3
When Using a Non-Electronic, Cardiology-Type Stethoscope vs. the Littmann® Model 3000 Series Stethoscope…
Cardiologists missed an S3 gallop 40% MORE OFTEN1
Cardiologists missed a Grade 2 aortic regurgitation murmur 5 TIMES MORE OFTEN2
Critical care nurses misidentified whether a sound was normal or abnormal TWO TIMES MORE OFTEN3
Don't miss the sounds you need to hear!
Purchase With Confidence
We fully guarantee that the 3M Littmann Electronic Stethoscope Model 3100 that we sell you is fully guaranteed by 3M Littmann. Our 3M Littmann Electronic Stethoscopes are purchased directly from a 3M supplier. 3M Littmann prints the serial number directly on the chest piece.
** To register your 3M Littmann Electronic Stethoscope go to:
You can also verify your warranty on this page, by entering the serial number that is found on the chest piece.
**IMPORTANT NOTE: Electronic Stethoscopes are an exception to the no restock fees and 30 day money back guarantee. This product is shipped directly from the wholesale distributor who charges a restocking fee. RMA (Return Merchandise Authorization) must be requested within 15 days of delivery of the stethoscope if returning. The restocking fee is $25. If returned, the restocking fee of $25 will be deducted from the purchase price. There is only the 15 Day Trial Period offered on stethoscopes, the 30 day money back guarantee does not apply. (updated 12/07/11)
Purchase With Confidence - Our Guarantee

We fully guarantee that the 3M Littmann Electronic Stethoscope Model 3100 that we sell you is 100% guaranteed by 3M Littmann. Our 3M Littmann Electronic Stethoscopes are purchased directly from a 3M supplier. 3M Littmann prints the serial number directly on the chest piece.
** To register your 3M Littmann Electronic Stethoscope go to:

You can also verify your warranty on this page, by entering the serial number that is found on the chest piece.