Sonotrax 2Mhz/3Mhz/4Mhz/
8Mhz probe babysound compact design for portable or

compact design for portable or at-home use

Interchangeable waterproof probe

The SD1 is a modern all-in-one heartbeat doppler that uses a built-in speaker and a digital display for cable-free monitoring

Large LCD with blue backlight

Sonotrax 2Mhz/3Mhz/4Mhz/<br>8Mhz probe babysound compact design for portable orThese waterproof interchangeable probes work with all Edan Sonotrax fetal dopplers, we have 2Mhz probe, 3Mhz probe, 4Mhz vascular probe,8Mhz vascular probe. The 2Mhz 3Mhz probe could be used to hear your baby's heart beat. The 4Mhz 8Mhz probe are vascular Probe. If you want to hear your baby's sound movement, please choose 2Mhz 3Mhz probe. A 3MHz probe is recommended to detect a heart rate in early pregnancy (8 10 weeks gestation). A 3 MHz has also