- High sensitivity, accurate measurement, safe material. Digital LCD screen with backlight, easy to read.
- 3.0MHz working frequency. Smart noise reduction. Zero radiation for mother and baby.
- Built in with speaker, or connect to the headphone jack to listen to the baby's heartbeat. Volume is adjustable.
- Mini size, handheld design, easy to operate. Portable and lightweight.
- Powered by 2 AA batteries (not included), auto power off in about 1min to save battery.
* please read our polices carefully , If you made a purshase so you are agreeing on our polices .
* If you need any help, please feel free to contact us
Shipping within 5-10 days and shipping fees free