Eighteen times the amplification (25db) of the most advanced conventional Littmann stethoscope makes difficult sounds easier to hear. filter circuitry provides three frequency response modes for optimal heart and lung auscultation. Digital recording and storage of sounds on six distinct tracks. Instant playback at normal and half speed.
Infrared transmission of recorded sounds to another Model 4100WS or IBM-compatible PC. LCD display in chestpiece, including heart rate readout. Twenty hours of continuous use from two AAA alkaline batteries. Excellent acoustic seal and comfortable fit with patented 3M Littmann Snap Tight Soft-Sealing Eartips. Comfortably angled, anatomically correct headset. Patient-friendly, non-chill rim. Chestpiece sized for adult or pediatric patients. One year warranty. Includes sound analysis software. 27" tubing. Black.