Fetal ultrasound doppler BF-500++

Pocket BF-500++ ,

The LCD screen accurately shows the fetal heart rate.
· Blue backlit screen is convenient for night time use.
· Weighs only 250 grams with ribbons.
Built-in rechargeable battery can work more than 6 hours.
· Through the earphone jack, you can transmit a signal to the monitoring center.
The sensor can be conveniently replaced
Delivery options:
BF-500: detects fetal heart rate (HR)
BF-500+: detects HR and displays it on the LCD screen
BF-500++: not only detects HR but also displays it on the LCD screen with blue illumination