3M EKO CORE DIGITAL ATTACHMENT - 8481 

Eko CORE allows to transform Littmann Cardiology IV from analog into digital stethoscopes. Single button press digitally amplifies heart, lung and other body sounds up to 40x (at peak frequency vs. analog) adding automated murmur detection (88% sensitivity and specificity), active noise cancellation and wireless listening. Compatible with most major brands and vet stheto. When ON, Eko CORE turns stethoscope into a smart detection tools, when OFF, stethoscope still works as an analog Cardiology IV. Supplied with rechargeable lithium battery (8 hour autonomy) and micro USB charging.