Israel’s HeraMED is partnering with Israeli-owned device manufacturer Quasar to mass-produce its HeraBEAT ultrasound smartphone-based fetal heartbeat monitor in Shenzhen, China. HeraBEAT uses amplified ultrasound doppler technology. (also PulseNmore)
https://www.asx.com.au/asxpdf/20190313/pdf/443fdswn04100b.pdf https://hera-med.com/#herabeat