3M™ Littmann® CORE
Digital Stethoscope

The 3M Littmann CORE Digital Stethoscope is the highest performance stethoscope in the Littmann portfolio. It comes pre-assembled with a 3M™ Littmann® Cardiology IV™ Stethoscope and an Eko CORE Digital Attachment and features:

• Advanced disease detection
• Up to 40x amplification
• Active noise cancellation
• One-tap app pairing
• Wireless listening
• Analog and amplified modes
• Heart sound visualization (PCG)
• Telehealth capabilities
• Adult and pediatric tunable diaphragms
• Unlimited recordings

The Littmann® CORE Stethoscope is a 3M™ Littmann® Cardiology IV™ Stethoscope that is pre-assembled with the Eko CORE Digital Attachment. The Eko CORE Digital Attachment can be purchased individually and is compatible with most popular stethoscope models from 3M™ Littmann®, ADC, WelchAllyn, MDF, and Medline with no cutting necessary.

When the Eko App is connected and used with a compatible digital stethoscope, Eko’s FDA-cleared software automatically checks for signs of heart disease. The Eko App will summarize any findings with an intuitive 15-second recording. These findings aren’t a diagnosis but are intended to aid the clinician in reaching a diagnosis accurately, quickly, and confidently.

The Littmann CORE Stethoscope comes with a 2-year warranty which is warranted against any defects in material and workmanship.

All stethoscopes purchased on the Eko website are backed by a 100% refundable, 75-day trial. We offer free returns within 75 days of receiving your stethoscope.

Read full policy.

All Eko stethoscopes are eligible for HSA (health spending account), FSA (flexible spending account), HRA (health reimbursement arrangement), or CME (continuing medical education) purchase and/or reimbursement. 

You can use your benefits card at ekohealth.com for qualified purchases. For proof of purchase:

• Save your order confirmation email as a receipt. 
• Visit account.ekohealth.com to look up and print your order details.
  

If your eligible card is declined or doesn't work at ekohealth.com, you can:

• Use a different payment method and contact your system administrator for reimbursement information.
• Shop Eko products at the fsastore.com or hsastore.com stores.

We recommend printing your order confirmation email to submit as a receipt for reimbursement. If you have any issues, contact our support team via chat or call + 1 (844) 356-3384 for a downloadable PDF invoice.

The 3M™ Littmann® CORE Digital Stethoscope is a high-performance stethoscope designed for any clinician who performs diagnostic assessments, works in settings with background noise, or performs both in-person and virtual telehealth exams. It’s also ideal in school settings for educators and students to teach and learn body sounds. Recommended for:

• Physicians
• PAs & NPs
• Nurses
• EMTs & First-responders
• Veterinarians
• Home health providers

Yes, we encourage students to use Eko stethoscope technology to learn auscultation skills and how to identify heart, lung, and body sounds.

Yes, this stethoscope supports wireless listening for most Bluetooth headphones, hearing aids, and devices.

Eko digital stethoscope technology supports clinicians with hearing loss in several ways:

- Sound amplification helps users hear low-frequency sounds more clearly
- Waveform visualization (phonocardiograms and electrocardiograms) on the Eko App helps confirm the sounds heard and electrical signals seen
- Bluetooth compatibility allows stethoscopes to be paired with hearing aids or wireless streamers

View our Stethoscope Guide for Healthcare Workers with Hearing Loss and watch a video explaining how to configure the Littmann CORE Digital Stethoscope with different types of hearing aids.

The Littmann CORE Digital Stethoscope has adult and pediatric diaphragms and is intended for use on pediatric and adult patients.

Alternatively, the Eko CORE Digital Attachment is compatible with pediatric, infant, and neonatal stethoscopes.

Yes, the Eko CORE, Eko DUO, and Eko Analysis Software are FDA cleared and CE marked.

View all certifications.

Yes, the Littmann CORE Stethoscope pairs with the Eko App. Download the Eko App for free at the iOS and Android app stores.

The primary features of the Eko App are:

• Automated disease detection
• Spot check that analyzes in just 15 seconds
• A guided 4-point assessment to maximize accuracy
• Unlimited recordings accessible from any device
• Easy report generation and sharing
• Heart sound visualization (PCG)

Eko stethoscopes and software are purpose-built for telemedicine. Eko supports virtual care or telehealth programs for individual providers, small clinics, and multi-site hospitals. A subscription may be required for telemedicine live streaming.

Speak with a telemedicine consultant.

Yes, both the Littmann CORE Digital Stethoscope and Eko CORE Digital Attachment can be used for both small and large animals. Many veterinarians use Eko for sound amplification, wireless listening, telemedicine, and even recording sounds to increase engagement with pet owners.

The Littmann CORE Stethoscope has a rechargeable lithium-ion battery that stays charged with 8 hours of continuous use, and generally lasts 2 weeks between charges with normal use. The stethoscope still functions as an analog cardiology-grade stethoscope when the power is off.