Features: * Product Name: Portable Fetal Doppler * Model: BF-600 * Portable Fetal Doppler mainly applies to detect the fetal heartbeat rate from the twelfth week. * Built-in rechargeable battery can work continuously more than 6 hours,LED can display FHR. * Alarm function when FHR is out of the normal range or battery power is in shortage. * Automatic power off ( 3 minutes ) * Built-in speaker and collocated with earphone jack. * 2.0MHz probe,Optional 5.0MHz probe for blood stream.
