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Small Fetal
heart beat indicator.
Easy
to use
Heart
rate Display ( 25*14 mm)
Clear
sound ,and less noise
Can
hang it by hang lace
Automatic Display Freezing After remove from the
body
Light
weight of 80g, batteries included
Runs
on standard AAA batteries and continuous working
time is 8 hours
Options:
Mini speaker, Rechargeable battery &Charger
,Small bag (case)
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