Hand-held design, portable for carriage.
Non-radiation, 2.5MHz low ultrasound, safe for fetal.
LCD Screen with Back light.
Water-Proof High Sensitivity Sensor: for reliable detection throughout pregnancy.
Built-in speaker with volume control and a headphone jack at top.
Noise reduction design, clear fetal heart sound.
Auto shut-off after 2 minutes.
Power by 3*1.5V battery(not included), with low power indication.
1. This product is suitable to use after 12th week of pregnancy.
2. Please press the On/Off button for 1-2 seconds to open or shut off.