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3M™ Littmann® CORE Digital Stethoscope

3M™ Littmann® CORE Digital Stethoscope

One stethoscope. One app. A complete solution for canine cardiac care. The 3M™ Littmann® CORE Digital Stethoscope comes preassembled with the Eko CORE™ Digital Attachment, bringing together trusted Littmann® engineering and digital auscultation in one ready-to-use device. Paired with the Eko Vet+™ App, it helps you walk into every exam ready to detect and communicate canine heart murmurs with confidence.

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Did you know many employers and health plans will reimburse your purchase? It might also qualify as tax write-off for self-employed clinicians.

Your reimbursement receipt includes:

  • Printable PDF with order details
  • Reimbursement instructions for HSA/FSA
  • Justification language for CME
Raising the standard of canine murmur detection.
95.4%

specificity for murmurs associated with structural heart disease

96.9%

sensitivity for murmurs associated with structural heart disease

40x

amplification of heart sounds for more focused listening

50+

veterinary cardiologists supported the development of CANINEBEAT™ AI

25+

years of clinical canine cardiology expertise backed by Boehringer Ingelheim

Eko Plus Logo
14 days of complimentary Eko Vet+™ membership with CANINEBEAT™ AI access included.

Product Overview

The 3M™ Littmann® CORE Digital Stethoscope is a Cardiology IV™ Stethoscope pre-assembled with the Eko CORE™ Digital Attachment. Unlock its full potential with Eko Vet+™ to easily record, share, and analyze canine heart sounds for better patient care.

  • Hear sounds like never before: Active noise cancellation and up to 40x sound amplification help you hear canine heart sounds more clearly for confident detection.

  • Choose how to listen: Easily toggle between analog and amplified modes to listen how you prefer, or to double check what you’re hearing.

  • Expand your cardiac assessments: Connect to the Eko Vet+™ App for more insights with real-time visualization, allowing you to see what you’re hearing for a deeper level of understanding.

  • Detect disease earlier: Unlock canine murmur detection powered by CANINEBEAT™ AI, along with sound recording, sharing, and more, with an Eko Vet+™ membership for earlier detection and seamless collaboration. New Eko customers receive a complimentary period of Eko Vet+™ membership.

  • Depend on its durability: The Littmann® CORE has a battery that lasts up to 80 hours of regular clinical use, plus a water-resistant design, that will power you through the toughest shifts. The 2-year warranty and risk-free trial will give you peace of mind, too.

Eko Vet+ Membership Details

The first 14 days of a new membership are on us with your purchase. Once you have received your device, download and connect to the Eko Vet+™ App to begin your complimentary period.

Eko Vet+™ members can access:

  • Canine murmur detection and grading
  • Probable disease outputs based on canine characteristics and AI outputs
  • MMVD staging based on epidemiological study data
  • Heart sound recordings through Eko stethoscope
  • File storing to individual patient profiles
  • Customizable PDF to share with dog owners or other providers

Your Eko Vet+™ membership will automatically renew after 14 days, and you'll be billed US$180.00 for the upcoming year.

Don't want to become an Eko Vet+™ member after your first 14 days? You can cancel anytime before your complimentary period ends.

Minimum compatibility requirements: iOS version 18 and above, or Android 12 and above.

Specifications

Product Information

  • Black — MPN: 8483, UPC: 00707387792350
  • High Polish Rainbow — MPN: 8574, UPC: 00707387793685
  • High Polish Copper — MPN: 8838, UPC: 00707387793975
  • High Polish Mirror — MPN: 8839, UPC: 00707387793968
  • Manufacturer — 3M™ Littmann®


Product Features

  • Analog and amplified listening modes
  • Up to 40x amplification
  • Active noise cancellation
  • Snap-tight, soft-sealing ear tips
  • Adult and pediatric diaphragms
  • Bluetooth wireless listening option
  • Telehealth compatible


Power

  • Easy on/off toggle
  • Micro-USB charging
  • Rechargeable lithium-ion battery that lasts up to 480 minutes of continuous use; generally lasts up to 2 weeks of regular clinical use


Connection & Storage

  • Bluetooth 4.2 low-energy
  • Patient report in .PDF file format


Dimensions & Weight

  • 27 in (69 cm) L from ear tip to chestpiece
  • 8.1 ounces (232 gm)
  • Chestpiece weight: 3.1 oz (87 gm)
  • Diaphragm diameter: 1.7 in (4.3cm), 1.3 in (3.3 cm)


Construction & Materials

  • Binaural: Double lumen
  • Chestpiece technology: Double sided
  • Diaphragm material: Epoxy/Fiberglass
  • Diaphragm shape: Round
  • Diaphragm type: Tunable, single-piece
  • Ear tip type: Soft sealing, extra ear tips
  • Headset material: Wide diameter aerospace alloy / anodized aluminum
  • Does not contain natural rubber latex or phthalate plasticizers


Certifications & Licenses

  • FDA Cleared
  • CE Marked
  • ISO 13485 Certified
  • MDSAP Certified
  • HIPAA Compliant

What's Included

  • Fully assembled 3M™ Littmann® CORE Digital Stethoscope
  • A complimentary trial period of Eko Vet+™
  • USB charging cord
  • Extra ear tips and seal
  • Quick Start Guide

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Here's how Eko Vet+™ works.

Detect what you might have missed.

Many canine heart murmurs, particularly those associated with myxomatous mitral valve disease (MMVD), are subtle and occur at low frequencies that are difficult or impossible for humans to hear.¹ The Eko CORE™ amplifies heart sounds up to 40x and filters out clinic noise, and CANINEBEAT™ AI — which detects murmurs associated with structural heart disease with over 95% sensitivity and specificity — provides expert-validated support in every exam.

Share insights with pet owners in real time.

The Eko Vet+™ App transforms heart sounds into simple visual insights that can be shared with owners so they can “see” what the veterinarian hears. With a visual phonocardiogram and PDF report, the murmur becomes less abstract for owners, helping build trust with the care team and providing evidence to track over time.

Encourage care plan follow-through.

When a dog looks perfectly healthy, getting owners to follow through with recommended next steps can be challenging, especially when costs could be significant. But when they can see objective clinical evidence of their dog's condition, they're more likely to understand the urgency and get their pet the care they need, sooner.

Get started with a complimentary trial.

The first 14 days of a new Eko Vet+™ membership are on us with your purchase of a stethoscope. Once you have received your device, download and connect to the Eko Vet+™ App to begin your complimentary period.

These reviews speak volumes.

I absolutely love this stethoscope! It makes listening to breath sounds so much easier.

Mary G.

Respiratory Therapist

I’ve been a nurse for 10 years. After getting my NP I still struggled detecting different heart tones. The way this increases the heart tones is unbelievable! Would highly recommend to any new provider.

Jessica I.

Nurse Practitioner

I can hear breath sounds and heart murmurs SO much more distinctly now! I love this stethoscope!

Diane G.

Physician

This stethoscope is amazing. I was born with congenital hearing loss and this opens up a whole new world for me.

Anna G.

Nurse

I'm deaf with hearing aids, so this is a life changer! It makes my job as an EMT so much easier.

Jordan B.

EMS Provider

The amplification is great, especially with the three audio settings — cardiac, pulmonary, and wide. The ability to record is also a plus!

William R.

Nurse Practitioner

Frequently asked questions.

What's the difference between the 3M™ Littmann® CORE Digital Stethoscope and the Eko CORE™ Digital Attachment?

The Littmann® CORE is a 3M™ Littmann® Cardiology IV™ Stethoscope pre-assembled with the Eko CORE™ Digital Attachment.

The Eko CORE™ Digital Attachment is a Bluetooth-enabled device that attaches to and enhances a traditional stethoscope, allowing you to get more from the device you already own. It's compatible with the most popular stethoscope models from 3M™ Littmann®, ADC, WelchAllyn, MDF, and Medline with no cutting necessary.

What is Eko Vet+ | CANINEBEAT™ Al?

Eko Vet+™ | CANINEBEAT™ AI is a three-part solution combining the Eko CORE™, the Eko Vet+™ App (both developed and manufactured by Eko Health, Inc.), and the CANINEBEAT™ AI algorithm provided by Boehringer Ingelheim for integration into the Eko Vet+™ App.

The CANINEBEAT™ AI algorithm was developed, trained and validated with input from 50 veterinary cardiologists and renowned experts including Prof. Gerhard Wess, Prof. Jens Häggström, and Assoc. Prof. Ingrid Ljungvall. Valuable contributions were also received from Profs. Sonya Gordon and Brian Scansen for expert sound annotation and consultancy.

It helps veterinarians detect and grade* canine heart murmurs, see findings in real time, and have more confident conversations with pet owners — all from a single 5-second recording.

*CANINEBEAT™ AI analyzes heart sounds and classifies murmur loudness using a modified Levine intensity scale.

Can the device be used with Bluetooth-enabled headphones or hearing aids?

When connected through the app, this stethoscope can be used with wireless listening devices such as Bluetooth-enabled hearing aids or headphones.

For the best audio quality, listening through your mobile device’s built-in speaker is not recommended.

Are Eko products HSA/FSA/CME eligible? How do I get reimbursed?

Stethoscopes from Eko may be eligible for HSA, FSA, or CME purchase and/or reimbursement.

Use your benefits card for qualified purchases and save your order confirmation email as a receipt. You can also log in to your Eko account to access your receipt.

If your card is declined or has an error, you can use a different payment method and contact your system administrator for reimbursement information.

If you have any issues, we recommend contacting your account administrator first. If you need to speak with us, you can contact our support team.

Eko cannot provide tax, compliance, or legal advice regarding HSA/FSA reimbursement.

Where can I buy the 3M™ Littmann® CORE Digital Stethoscope?

The Littmann® CORE is available for purchase in select countries. See all stores where the device and other Eko products are available.

Select promotions, engraving, and Eko's return policy are exclusive to purchases made on ekohealth.com.

Can I place a team or bulk order?

We offer flexible pricing for groups looking to purchase 10 or more stethoscopes. Please contact our sales team for more information.

Can I personalize this stethoscope?

Yes! Make your stethoscope uniquely yours with custom engraving, and colorful accessories like ear tips and chestpiece covers.

  1. Reduces background noise 8x better vs. a typical analog stethoscope.
  2. Rancier, M. A., Israel, I., Monickam, V., Prince, J., Verschoore, B., & Currie, C. (2023). Real World Evaluation of an Artificial Intelligence Enabled Digital Stethoscope for Detecting Undiagnosed Valvular Heart Disease in Primary Care. Circulation, 148, A13244.