Take listening to a whole new level.

The 3M™ Littmann® CORE Digital Stethoscope combines the outstanding acoustics, comfort and quality of a Littmann cardiology-grade stethoscope with advanced CORE® Technology. Up to 40x sound amplification and active noise cancellation helps you assess hard-to-hear body sounds and collect the right information for confident care decisions.

Cardiology grade tubing
Soft-sealing ear tips provide an excellent acoustic seal and comfortable fit.
Active noise cancellation
Reduces unwanted background sounds.
Tunable diaphragm
Hear different frequency sounds by adjusting the pressure on the chestpiece.
Adult and pediatric
Dual-sided stainless steel chestpiece with open or closed bell.
Toggle between digital and analog
Quickly toggle between modes so you can listen how you want.
Adjust volume, and amplify up to 40X
At peak frequency, vs. analog mode.

The 3M™ Littmann® CORE Digital Stethoscope

is pre-assembled with an Eko CORE Digital Attachment and a 3M Littmann Cardiology IV Stethoscope.

For EMS & Critical Care
Hear more of what you need and less of what you don’t, especially in challenging environments.
For COVID-19 & Infection Control
Stream sounds directly to your Bluetooth devices for contactless screening.
For Hearing Loss
Eko gives clinicians amplified sound and Bluetooth connectivity with hearing aids and other listening devices.
For Telemedicine
Eko adds amplified auscultation to virtual care, helping you collect more information during telemedicine assessments.
For Students & Education
Eko provides free, dedicated resources to help you master your stethoscope and diagnostic reasoning.
Used by Veterinarians
Eko stethoscopes are used by veterinarians for both large and small animals.
Turn Audio ON
(Headphones Recommended)

Listen For Yourself

This sound sample was recorded using a Littmann CORE Digital Stethoscope

See how it works.

The 3M™ Littmann® CORE Digital Stethoscope is the most advanced Littmann Stethoscope yet.

Your All-in-one Screening and Telemedicine Solution
Find answers sooner. Eko combines digitally-enhanced audio and AI-powered analysis with your expertise to catch potentially life-threatening conditions earlier.
Comprehensive Care, From Anywhere
Wireless screening and live streaming helps you provide quality care both in person and virtually.
Easier Screening, Earlier Detection
Rigorously-trained AI identifies early signs of cardiac disease with accuracy that compares favorably to expert physicians.
Any Practice, Any Scale
Digital auscultation, ECG recording, and AI-powered analysis — combined on a single platform that fits practices of any size. Add DUO to your bag for ECG recording.
Precision in Your Pocket
The information you need, in the palm of your hand. Analyze waveforms and ECG tracings in seconds with just a few taps.
Wireless Screening
Stream directly to your Bluetooth device for contactless screening. Eko is compatible with earbuds, hearing aids, and Bluetooth speakers.
Visualize Sounds & ECG
Enable precise screening and interpretation with visualization and AI-powered analysis to boost your clinical workflow. Add DUO to your bag for ECG recording.
Record, Save, and Share
Securely monitor disease progression with your care team using secure, HIPAA compliant storage and sharing.
Collaboration Made Simple
All data in the Eko Platform syncs to a single connected dashboard for easy collaboration. Organize and share patient recordings and access tools for deeper analysis.
Simple, Secure Access
A single dashboard connects your interdisciplinary care team to patient data from our platform or directly through your EMR.
Tools for Interpretation
Annotate recordings and live stream sounds for seamless collaboration across departments, clinics, and specialties.
Safe Storage and Sharing
The Eko Platform is HIPAA compliant and SOC 2 certified to keep patient data safe.
Detect Conditions Sooner
Eko helps you find answers quickly and focus more time on patient care. Rigorously-trained AI is FDA-cleared and clinically validated to detect early signs of often-elusive cardiopulmonary conditions.
Heart Murmurs
Eko detects heart murmurs with 87% sensitivity and 87% specificity—so you can quickly determine what follow-up is needed.
Atrial Fibrillation
Eko detects AFib with 99% sensitivity and 97% specificity when analyzing 1-lead ECG tracings, helping you make confident care decisions. Add DUO to your bag for AFib analysis.
Tachycardia & Bradycardia
Detect heart rate abnormalities sooner, helping you provide answers and timely care for your patients.
Bedside Care From Anywhere
Assess patients virtually as if they were in the same room. Eko stethoscopes and ECG technology are purpose-built for today’s growing telehealth settings.
Bedside-quality Clarity
No more struggling to hear through a video stream. Now, you can listen and monitor remotely with a dedicated live stream for unprecedented telemedicine clarity.
More Info, Less Hassle
Collect all the information you need to assess and monitor patients without the need for frequent repeat visits, saving time for your patients and providers.
Comfortable Patient Experience
Stay close to your high-acuity patients with a comfortable, remote experience. Eko makes it easy for patients to give you the information you need right from their home—on their own or with assistance.
Enhanced Detection for Any Practice
Every clinician's, practice's, or institution's needs are unique. Eko offers carefully crafted and customizable plans that fit your needs.
Easy to Scale
Eko fits seamlessly into any practice at any scale. Easy implementation and dedicated customer support helps you bring the value of enhanced telemedicine screening into your practice.
Integration on Your Terms
Easily add Eko to your practice with no disruption to your clinical workflow. Integrate Eko with your EMR or existing telehealth solution for easier access to enhanced screening.
Dedicated Support
Eko provides dedicated support and integration resources to ensure your implementation is seamless and non-disruptive to your clinical workflow.
Eko Platform →
Eko is your all-in-one screening and telemedicine solution, helping you detect cardiac conditions easier and provide timely care from anywhere.
Eko Platform
Eko is your all-in-one screening and telemedicine solution, helping you detect cardiac conditions easier and provide timely care from anywhere.
Overview
Your All-in-one Screening and Telemedicine Solution
Find answers sooner. Eko combines digitally-enhanced audio and AI-powered analysis with your expertise to catch potentially life-threatening conditions earlier.
Overview
Comprehensive Care, From Anywhere
Wireless screening and live streaming helps you provide quality care both in person and virtually.
Easier Screening, Earlier Detection
Rigorously-trained AI identifies early signs of cardiac disease with accuracy that compares favorably to expert physicians.
Any Practice, Any Scale
Digital auscultation, ECG recording, and AI-powered analysis — combined on a single platform that fits practices of any size. Add DUO to your bag for ECG recording.
Eko App
Precision in Your Pocket
The information you need, in the palm of your hand. Analyze waveforms and ECG tracings in seconds with just a few taps.
Eko App
Wireless Screening
Stream directly to your Bluetooth device for contactless screening. Eko is compatible with earbuds, hearing aids, and Bluetooth speakers.
Visualize Sounds & ECG
Enable precise screening and interpretation with visualization and AI-powered analysis to boost your clinical workflow. Add DUO to your bag for ECG recording.
Record, Save, and Share
Securely monitor disease progression with your care team using secure, HIPAA compliant storage and sharing.
Eko Dashboard
Collaboration Made Simple
All data in the Eko Platform syncs to a single connected dashboard for easy collaboration. Organize and share patient recordings and access tools for deeper analysis.
Eko Dashboard
Simple, Secure Access
A single dashboard connects your interdisciplinary care team to patient data from our platform or directly through your EMR.
Tools for Interpretation
Annotate recordings and live stream sounds for seamless collaboration across departments, clinics, and specialties.
Safe Storage and Sharing
The Eko Platform is HIPAA compliant and SOC 2 certified to keep patient data safe.
AI Analysis
Detect Conditions Sooner
Eko helps you find answers quickly and focus more time on patient care. Rigorously-trained AI is FDA-cleared and clinically validated to detect early signs of often-elusive cardiopulmonary conditions.
AI Analysis
Heart Murmurs
Eko detects heart murmurs with 87% sensitivity and 87% specificity—so you can quickly determine what follow-up is needed.
Atrial Fibrillation
Eko detects AFib with 99% sensitivity and 97% specificity when analyzing 1-lead ECG tracings, helping you make confident care decisions. Add DUO to your bag for AFib analysis.
Tachycardia & Bradycardia
Detect heart rate abnormalities sooner, helping you provide answers and timely care for your patients.
Telehealth
Bedside Care From Anywhere
Assess patients virtually as if they were in the same room. Eko stethoscopes and ECG technology are purpose-built for today’s growing telehealth settings.
Telehealth
Bedside-quality Clarity
No more struggling to hear through a video stream. Now, you can listen and monitor remotely with a dedicated live stream for unprecedented telemedicine clarity.
More Info, Less Hassle
Collect all the information you need to assess and monitor patients without the need for frequent repeat visits, saving time for your patients and providers.
Comfortable Patient Experience
Stay close to your high-acuity patients with a comfortable, remote experience. Eko makes it easy for patients to give you the information you need right from their home—on their own or with assistance.
Enterprise
Enhanced Detection for Any Practice
Every clinician's, practice's, or institution's needs are unique. Eko offers carefully crafted and customizable plans that fit your needs.
Enterprise
Easy to Scale
Eko fits seamlessly into any practice at any scale. Easy implementation and dedicated customer support helps you bring the value of enhanced telemedicine screening into your practice.
Integration on Your Terms
Easily add Eko to your practice with no disruption to your clinical workflow. Integrate Eko with your EMR or existing telehealth solution for easier access to enhanced screening.
Dedicated Support
Eko provides dedicated support and integration resources to ensure your implementation is seamless and non-disruptive to your clinical workflow.
Featured Health Systems
We're proud to support practices of all sizes.
Other products
Exclusive
Eko CORE
Digital Attachment
Enhance the stethoscope you already own.
Eko DUO
ECG + Digital Stethoscope
Gain unprecedented insight into cardiac function.
In the field

"I love the Littmann CORE! I'm an Emergency Room/Urgent Care PA-C, working in an often busy, noisy setting. Being able to properly listen and hear, even the faintest of sounds when auscultating makes all the difference in my practice."

Melody Reyes
Physician Assistant (PA-C)
* Data on file, 2021 CORE Sound Survey, Eko.
Contact Us
Our team is here to support you.
By Phone
Call or text us weekdays between 8-5 pm PST. Please do not include any Protected Health Information (PHI).
+ 1 (844) 356-3384
Support & Resources
Get user manuals and answers to commonly asked questions in the Support Portal.
Support Portal →
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Chat with a specialist about which Eko product is best for you weekdays 8-5 pm PST. Please do not include any Protected Health Information (PHI).
Eko Demo
Schedule time with an expert to learn how Eko supports practices of all sizes in an interactive demo.
Schedule Demo →