- ALL-IN-ONE design
- Built-in speaker
- Digital display of FHR
- Touch panel for easy control
- Built-in Bluetooth
- Volume adjustable
- Android or iOS APP access for tracking baby’s development
- 3MHz probe detects fetal heartbeat
- Normal AA batteries for easy replacement
- Automatic power-off for battery power saving
- Pulse wave technology.
Ultrasonic Pocket Doppler - SD1
