Riester NiMH Battery Ri-Accu for Battery Handles Type C 2,5 V Category_Littmann Stethoscopes/Littmann Cardiology IV Stethoscope The air release valve is

The air release valve is conveniently regulated by finger-tip control

Complete with standard mini3000 handle

Dimensions & Weight

*Based on tests against globally-available comparable stethoscopes  in an equivalent class using recorded heart sounds with diaphragm

Cost-effective and low-maintenance due to low power consumption

Riester NiMH Battery Ri-Accu for Battery Handles Type C 2,5 V Category_Littmann Stethoscopes/Littmann Cardiology IV Stethoscope The air release valve isWithout batteries For two batteries type C or for a rechargeable ri accu NiCad battery. Handle diameter: 28 mm. Simple recharging in the ri charger charging base.