: 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. It contains components of an ultrasonic signal transmitter and receiver, analog signals processing unit, FHR calculating unit, 2 screens optional, etc.Using the DSP technology to ensure accurate detection of fetal heart rate, reliable and high sensitivity probe, monitoring the fetus safer.Reliable FHR detectionAcquire the fetal heartbeat signals from fetus throughout pregnancy with ( fetal heart rate ) bicolor LCD screen ( FHR value display ) and color 1.77 inch TFT screen ( curve display )Support 2.5MHz probeHigh sensitivity probe, low ultrasound power, safer to the fetusBuilt-in speaker and audio outputYou can share your joy - a healthy and strong heartbeat with your lover, families and friendsAutomatic power-offIt will shut off if the device while is not used for 1 minuteHow to use: Before using it for the first time, make sure 2 batteries are inPress the power button to power on, then adjust the volumeLie flat with a cushion pillow, keep legs straight and relaxAttach the fetal probe to the abdomen to locate the position of the fetus and find out the best direction to the fetal heartAfter hearing regular fetal heart sound, the FHR value will display on the screen in real timeGestational weeks: not less than 12 weeks Working Temperature: 5 - 40 Deg.C / 41 - 104 Deg.F Storage / Tran
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