Littmann Core Digital Stethoscope, 27″ L, Black, Latex-Free, Soft-Sealing Eartips. – Connects to Eko software to visualize and share heart sound waveforms. – Up to 40x amplification (at peak frequency, vs. analog mode). – Active noise cancellation reduces unwanted background sounds. – Toggle between analog and amplified listening modes. – Tunable, dual-sided stainless steel chest piece with open or closed bell. – Designed for use with adult and pediatric patients.