these sandals provide excellent support for everyday wear

Heating core: ceramic heating core

The battery is low

Applicable age range:<14 years old

TF Card Slot: Yes

Fetal Doppler Baby Heartbeat Monitor with LCD Display for Pregnancy Women's Shoes these sandals provide excellent supportOverview: The highly sensitive probe provides more accurate readings. The high sensitivity wide beam 2. 5MHz probe ensures reliable measurement throughout pregnancy. The intelligent noise reduction system delivers clearer heart sounds. Digital filter noise reduction technology helps minimize background noise and improves sound clarity. The autocorrelation algorithm offers accurate and reliable measurements. It effectively reduces interference caused