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تناسب معظم الأطباء.
– Silver dual head chest piece for adult, the 48mm membrane is sensitivity for sound collecting.
– the small bell-like chestpiece 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 chastpiese , excellent sound conduction.
– includes: A pair of metal ear tips and a replaceable membrane.
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