- Silver dual head chestpiece for adult, the membrane with diameter 48mm is sensitive for sound collecting.
- The small bell-like chestpiece is used for auscultating of slight and low frequency sound.
- Considerate dual anti-chill ring design.
- Connecting spring is embedded, ear tip is specially designed to fit the structure of the ear.
- Stainless steel chestpiece, excellent sound conduction.
- Includes: A pair of Metal ear-tip and a replaceable membrane.