The Portable Fetal Doppler offers reliable and easy monitoring of fetal heart rates. Available in pink and blue, this device is perfect for expectant parents seeking peace of mind. Its compact design ensures convenience and portability. NEW bought two accidentally retail $105- $75 or best offer I can't return it Doppler works great I use mine and helps with anxiety Fetal Doppler is a hand-held ultrasound device that uses sound waves to listen to a fetal heartbeat. This device brings you a clear sound of your baby’s heartbeat. The probe must be in contact with your skin via using gel, oil or water to obtain an accurate fetal heart rate. A professional device suitable for Gynecologist and easy to use for pregnant mothers at home. Clear Sound: Now you can safely listen to your unborn baby's heartbeat comfortably and privately at your own home. Simple Design: 3 button display and support for the 3.5mm headphone port, make it easy to listen. Normal Reading: The normal heart rate of an unborn baby is approximately 120-160bpm. High sensitivity non-radiation 3.0MHz Doppler probe Noise reduction technology and autocorrelation algorithm.