cheap and high quality fetal doppler(FDA/CE)

Features:
Pocket Fetal Doppler mainly applies to detect the fetal heartbeat rate from the twelfth week;
LCD can display FHR accurately;
Built-in rechargeable battery can work continuously more than 4 hours;
Blue backlight LCD display for use conveniently at night;
Only 250g, can be carried conveniently with a gallus;
Alarm function when FHR is out of the normal range or battery power is in shortage;
Built-in speaker and collocated with earphone jack;
2.5MHz probe and easy to replace.