Description
Product name: Cofoe Fetal Voice Monitor
Display: LCD for Doppler fetus
Probe frequency: Doppler fetal 2.0MHz
Measuring range: 50-230bpm (bpm: beats per minute)
Measurement error: ±2 bpm
Product size: 14 cm x 10.5 cm x 3 cm,
Set1 upgrade voice black and white screen display (with voice broadcast)
Set2 upgrade color display + curve t)
Set3 luxury charging model] color display + curve + Dual charging mode 
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