【pregnant woman】Fetal Doppler Original Rechargeable -Fetal Doppler Baby Prenatal Heart Rate Monitoring

Fetal Doppler Operation Manual Listen to darlingheartbeat s heartbeat High sensitive probe, accurate measurement A new generation of intelligent testing * Smart noise reduction * Independent probe * high sensitivity * Big screen * Calculations are accurate * Loud and clear Product detail presentation Big backlight screen built-in speaker Highly sensitive probe can put aa battery High definition large screen with backlight Reading is clear, convenient and assured Highly sensitive 3.0 MHz probe more accurate detection Built-in intelligent noise reduction unit Can effectively reduce the noise at the bottom, the output is clearer Before noise reduction --- after noise reduction Informations about the product * Left right hd big screen probe Increase the volume Decrease the volume power button Speaker steps for use Pregnant woman lie flat and relax Apply couplant Find the position of the fetal heart Install the battery and turn on the power, listen to the fetal heartbeat It is recommended that time be measured 30 minutes after waking up 30-60 minutes after lunch 30 minutes before bedtime 12-24 weeks 24-32 weeks 32-40 weeks