Pick a smart stethoscope--this one uses SmartTone&trade
technology, allowing you to monitor both high and low frequencies by varying pressure on the stethoscope. Deluxe 22" twin-tubing for added convenience. Stainless steel chestpiece and dual inner-spring binaural. Includes: two extra sets of eartips (one flexible, one hard plastic) in two sizes, and one extra diaphragm. Length: 26"
Unit of Measure : Each