Type of stethoscope: MNT features manual and digital stethoscopes. ... This dual-headed stethoscope has an open bell and a 3.3-centimeter floating diaphragm with a non-chill rim.

If you’ve been looking for a good stethoscope, the 3M Littmann Classic III is almost impossible to beat. Many doctors, nurses, and patient care technicians use this best all-around stethoscope.