l  Silver dual head chestpiece for adult, the Ø47mm membrane is sensitive for sound collecting.

l  The small bell-like chestpiece is used for auscultating slight and low frequency sounds.

l  Considerately dual anti-chill ring design.

l  Connecting spring is embedded, ear tips are specially designed to fit the ear structure.

l  Aluminium alloy chestpiece, good sound conduction.