Handheld digital fetal Doppler (model JSL-T201) used to monitor and listen to a baby's heartbeat at home or in clinical settings.
• Device Type: Portable handheld fetal Doppler with a connected ultrasound probe and built-in speaker.
• Display: LCD screen showing real-time fetal heart rate (FHR) in beats per minute (bpm) and battery/signal status.
• Frequency: Typically operates around a 3.0 MHz ultrasound probe frequency.