-Silver dual head chest piece for adult, the 48mm membrane is sensitive for sound collecting.
– the small bell-like chest piece is used for auscultating slight and low frequency sounds.
– considerately dual anti-chill ring design.
– connecting spring is embedded, ear tops are specially designed to fit the structure of the ear.
– stainless steel chest piece, excellent sound conduction.
– includes: A pair of metal ear tips and a replaceable membrane.