Pocket Fetal Doppler with Color TFT Display for FHR Monitoring
The Baby Sound C1 Pocket Fetal Doppler is a hand-held fetal heart rate detection device based on Doppler theory, engineered for daily self-checks by pregnant women in hospital, clinic and home settings. Equipped with a high-resolution 1.77″ 262K color TFT screen, the device displays the fetal heartbeat waveform and calculates the FHR value in real time to help doctors make timely diagnoses.
With a delicate and compact design, an ergonomically curved probe structure, three flexible working modes and intelligent alarm functions, the Baby Sound C1 delivers accurate, comfortable and convenient fetal heart monitoring throughout pregnancy.
Key Features
1.77″ 262K Color TFT Display
High-resolution color LCD screen presents FHR values, bar graphs and heartbeat waveforms simultaneously for clear and intuitive reading.
Three Working Modes
Supports Real-time FHR Display Mode, Averaged FHR Display Mode and Manual Mode to adapt to different monitoring scenarios.
Abnormal FHR Alarm
Alarms in red when the FHR value is out of the normal range, prompting timely attention and intervention.
Ergonomic Curved Probe
The humanized crooked probe structure is easy to operate and increases the feeling of comfort during examination.
Probe Fall-Off Detection
Automatically detects probe disconnection and indicates battery status to ensure reliable and continuous monitoring.
Audio Interface for Recording
Can be connected to other recording devices via a recording cable to record fetal heart sound in real time.
Technical Specifications
| Technical Parameter | Specification Details |
|---|---|
| Product Model | Baby Sound C1 (Pocket Fetal Doppler) |
| Safety Classification | Internally powered equipment, type CF applied part |
| Display | 1.77″ 262K color TFT screen |
| FHR Measurement Range | 50 – 240 BPM |
| Resolution / Accuracy | 1 BPM / ±2 BPM |
| Working Modes | Real-time FHR display | Averaged FHR display | Manual mode |
| Alarm Function | Red alarm when FHR value is out of normal range |
| Probe Nominal Frequency | 2.0 MHz ±10% (2 MHz probe) |
| Working Mode | Continuous wave Doppler |
| Ultrasonic Output Power | P < 20 mW |
| Power Consumption | < 1 W |
| Power Supply | DC 3V, two 1.5V AA batteries (LR6), more than 8 hours of normal use |
| Audio Interface | Recording cable connection for real-time fetal heart sound recording |
| Auto Shutdown | Automatic power off if no signal within 1 minute |
| Dimensions | 135 mm (L) × 92 mm (W) × 29 mm (H) |
| Weight | About 245 g (with battery) |
- Specifications are based on the official technical datasheet for the Baby Sound C1 Pocket Fetal Doppler.
- Standard configuration includes the main unit, 2 MHz Doppler probe, and user manual.
- Recording cable for connection to external recording devices is available as an optional accessory.
Applications
Home Pregnancy Monitoring
Enables expectant mothers to perform daily self-checks of fetal heart rate with simple, intuitive operation.
Hospital & Clinic Use
Provides doctors with real-time FHR values and heartbeat waveforms to support timely diagnosis in obstetric departments.
Fetal Heart Sound Recording
The audio interface allows families to record and preserve the baby’s heartbeat as a precious keepsake.
System Configuration
The Baby Sound C1 Pocket Fetal Doppler is supplied complete with the main unit, 2 MHz curved Doppler probe, and user documentation.
Please confirm your required order quantity and destination country prior to placing an order
Before Ordering
- Required order quantity and destination country.
- Probe frequency selection: 2.0 MHz or 3.0 MHz.
- Battery version selection: lithium battery or AA battery configuration.
Request a Pocket Fetal Doppler Quote
Contact UMY Medical to discuss configurations, pricing, and export delivery for your clinic, hospital or distribution channel.
Frequently Asked Questions
From which week of pregnancy can the fetal heart sound be detected?
The high-sensitivity Doppler probe can clearly detect fetal heart sounds for pregnancies of more than 12 weeks.
What is the fetal heart rate measurement range?
The device measures and displays FHR from 50 BPM to 240 BPM with 1 BPM resolution and ±2 BPM accuracy.
Can I listen to the fetal heartbeat through headphones?
Yes, the device provides two sound output modes: a built-in speaker and an external headphone jack for private listening.
How does the auto shutdown function work?
The device automatically shuts down after 60 seconds without signal input to extend battery life.










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