Compact fetal doppler with a clear display. Features a coiled cord and speaker. Listen to Fetal Heartbeats from 9 Weeks - The 3.0 MHz wide beam sensitive probe helps moms to find fetal heartbeats as early as 9 weeks within the first trimester. Fetalplus at-home fetal doppler is designed to track your baby’s heartbeat from the first trimester, from the comfort of your own home with peace of mind and certainty without unnecessary risks. Avoid unnecessary hospital trips. Before your feel the first baby kick, it is important to provide yourself and your loved ones with a sense of calm. The intelligent noise cancellation and autocorrelation algorithm technology eliminate the interference caused by the surrounding environment and ensure cristal clear heartbeats and the accuracy of readings. FDA cleared. 0 radiation. Safe for moms and babies. Like new. Used after miscarriage to calm self.