DUO EARPIECE is a 28-inch long stethoscope earpiece custom-designed to work with the Eko DUO Digital Stethoscope + ECG. The threaded 3.5mm audio jack screws into the base of the DUO, ensuring a secure fit and allowing you to wear the DUO around your neck like a traditional stethoscope.

Compatible with:

• Eko DUO ECG + Digital Stethoscope, 2nd generation, SKUs: DUO200, DUO201
• Eko DUO ECG + Digital Stethoscope, 1st generation, SKUs: DUO100, DUO101