Boutique › Fetal Doppler Monitor Image 1 of 2 Image 2 of 2 Fetal Doppler Monitor $59.00 Sold Out This device is used to detect Fetal heartbeat for pregnancy care.Probe: 3.0 MHz Waterproof probe Color: Select Color Blue Pink Sold Out Added! This device is used to detect Fetal heartbeat for pregnancy care.Probe: 3.0 MHz Waterproof probe