3M Littman Electronic Amplified Stethoscope

3M Littman Electronic Amplified Stethoscope Boasting superior acoustical performance, the 3M TM Littman electronic stethoscope take auscultation technology to a new level. Difficult sounds are easier to hear, with up to four times the amplification (15-20 dB) of conventional stethoscopes. Three frequency response modes to choose from for optional heart and lung auscultation: Bell (20-200hz) Diaphragm (110-500hz) Extended Range (100-1000hz) The ergonomically designed chest piece is sized for adult or pediatric patients and features a volume control dial, mode selector button and non-chill rim Includes soft sealing eartips, anatomically correct headset, one AAA alkaline battery for 40 hours of continuous use and a one year warranty