Now enjoy the amazing experience of hearing your unborn babys heartbeat privately and comfortably at your home. Buy a reliable fetal doppler and stay tuned into your unborn babys health between practitioner visits. Dr Trust Fetal Doppler is a hand-held obstetrical unit, which can be mainly used to detect the Fetal Heartbeat Rate (FHR) and Sound of the Fetal Heartbeat (SFH). Start monitoring the FHR and the SFH starting at 12 weeks of your pregnancy and make your motherhood an unforgettable journey. DMEDICARE Fetal Doppler features a highly sensitive ultrasound probe, IFT display, built-in speaker, and audio earphone output interface for crystal clear FHR sound and display in the waveform. Power by rechargeable lithium batteries our fetal doppler has a headphone jack that helps you connect your earphones to listen to your baby's heartbeat. It comes with an IPX1 degree of protection to resist water that drips vertically onto the product.