• 3M™ Littmann® CORE Digital Stethoscope overview and care
• Eko CORE Digital Attachment (2nd Gen) overview and care
• Best practices for audio quality with the CORE
• Take a recording from the CORE™
• CORE™ troubleshooting guide
• Bluetooth connection issues: CORE
• Weak Bluetooth signal: CORE
• Charging issues: CORE
• Flat line on the PCG
• Low sound amplification: CORE