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The Sonoline B Water Resistant Baby Heartbeat Monitor from Baby Doppler with 3MHz Probe employs the latest technology in Baby Heart Monitoring. This handheld heartbeat monitor is the best quality equipment used by expectant mothers to monitor and hear the baby's heartbeat whenever they want, even when they are out and about!

The Sonoline B Water Resistant Baby Heartbeat Monitor has three built-in modes that allow the user to view the heart rate in different display modes. This heartbeat monitor is suitable for use after the 12th week of pregnancy. It gives you peace of mind and reassurance throughout the rest of the 28 weeks!


  • Water Resistant, Real-time FHR display mode, averaged FHR display mode, and manual mode, Battery status indicator, Built-in speaker, Output for headphones, 3MHz probe included, Backlight LED screen, Auto shut off, Optional: Supports 2MHz,3MHz,4MHz,5MHz and 8MHz probes
  • FHR Range: 50BPM - 240BPM
  • Resolution: 1bpm
  • Accuracy: ±2BPM
  • Voltage: DC 3.0 V
  • Audio Output Power: Requirement:3.6V DC-4.2V DC
  • Suitable Using Range: Suitable for use after the 12th week of pregnancy
  • Temperature: +5°C~+40°C
  • Humidity: 80% or less
  • Atmospheric Pressure: 70kPa - 106kPa
  • Brand: Dagamma
  • Country of Origin: China

Vendor Warranty Terms: 12 months limited, 1-800-590-2767

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