Doctors Research Group PT3B27PureTone's passive filtering mechanism seeks to optimize acoustics through reducing the ambient noise picked up during auscultation.
Single-lumen tubing
External Noise Reduction (ENR) Tube Technology. Stainless steel springs encapsulated in Neoprene isolate the internal air columns from outside disturbances. This patented technology acts to minimize external noise to provide for purer auscultation sound
Anti-Slip ring provides high-friction points intended to create greater stability when wearing a stethoscope
GELseal eartips to ensure an acoustic seal and comfortable fit
Headset ergonomically configured for ease-of-use
SafeSEAL antimicrobial soft diaphragm suppresses the growth of bacteria and mold, is designed to improve acoustics, and is warm to the touch
Convenient ID tag
3-year warranty