Fetal Doppler Ultrasound Baby Heartbeat Detector Other-bags Also works as a bike

Also works as a bike light

Device Compatibility: 18650 Rechargeable Battery is suitable for laser pointer

discharge current accurate real-time display

-Weight: 135g

Fetal Doppler Ultrasound Baby Heartbeat Detector Other-bags Also works as a bikeCofoe Doppler Fetal Doppler Ultrasound Baby Fetal Doppler Sound Heartbeat Detector Pregnant Fetal Portable Baby Health monitor The pocket fetal doppler is a hand held obstetrical unit, which is applicable to hospital, clinic and home for daily self check by pregnant women. Fetal Doppler contains components of an ultrasonic signal transmitter and receiver, an analog signal processing unit, FHR calculating unit Black and white backlight screen Digital