Features: * Product Name: Pocket Fetal Doppler * Model: BF-500D * Pocket Fetal Doppler mainly applies to detect the fetal heartbeat rate since the twelfth week of pregnancy; * LCD can display FHR, synchronous FHR signal, battery indicator, volume of sound and alarm indicator accurately; * Built-in rechargeable battery can work continuously more than 5 hours; * Blue backlight LCD display for use conveniently at night; * Automatic power off ( one minute), self-detect function, and alarm function when FHR is out of the normal range or battery power is in shortage; * Only 270g, can be carried conveniently with a gallus; * Built-in speaker and collocated with earphone jack; * 2.0MHz probe.
