3M Littmann 3158 Acoustic Stethoscope(Lavender)

One side sized for adults and the other side sized for paediatrics. Both the large and small sides allow you to hear either low or high frequency sounds by simply applying varying pressure - light pressure for low sounds or firm pressure for high sounds utilising 3M’s own tunable technology. And, you can easily convert the stethoscope to a traditional open bell style by removing the diaphragm on the paediatric side and installing the rubber nonchill sleeve which is included with purchase.Convenience is offered through 3M’s ‘tunable technology’ in the diaphragm on each the larger (adult) and smaller (paediatric) sides. Tunable technology allows you to hear low and high frequency sounds by simply applying light or firm pressure to the chestpiece