FD 9713N
This device has a waterproof probe which can be used interchangeably to monitor the heart rate of a foetus less than 12 weeks old. There are 3 modes namely: Manual, Average, and Instant heart rate.

Features
- LCD screen with a 2.5 MHz waterproof probe
- Fetal Doppler can be handheld
- Li-ion battery is rechargeable and in-built
- The headphone port and speaker are in-built