Safe: Small Ultrasound dosage, under 50% of international safe standard.
Durable: This machine adopt super capacity battery, it can work more than 12 hours continuously after enough charge.
Convenient: It is designed accord with physical engineering science, control all the operation by one button. Put the main body on the bottom, it will charge by itself, and it has the protect function for electricity passing.
Sensitive: Can check FHR of fetus 9 weeks up.
Optional: According to the difference of pregnant week, user can select 2.2Mhz or 3.3MHz.
Tone: Adopt original “Sanyo” speaker, make the sound of fetus’ heart beat more clearly and loud.