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Pregnant women monitor Doppler fetal heart rate

558 SEK

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[Product name] Doppler fetal heart rate monitor
[Rated voltage] 6 DC3V
[Battery Type]: Two AA batteries
[Fetal Heart Rate Range]; 50BPM 230BPM
[Ultrasonic frequency]; 3.0MHz
[Fetal heart rate measurement accuracy]: +2BPM measurement error less than 2