Superior acoustics
Three frequency response modes
Amplification up to 18 times greater than best conventional Littmann stethoscopes
Recording, storage and playback capabilities
Infrared transmission of recorded sounds
Other features include digital signal processing over the entire acoustic range, built-in display for easy viewing of the heart rate, patient-friendly nonchill rim, and patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips for excellent acoustic seal and comfortable fit.
The Model 4000 operates on two AAA alkaline batteries.Littmann electronic stethoscope, model 4000. |
