Fetal Doppler Baby Heartbeat Monitor with LCD Display for Pregnancy Kids Shoes short press to change gears

short press to change gears after power on (1-2s)

Infrared Macro Blue (LED)

Applicable models: Suitable for Audi A4 S4 A4 Avant

1 × Fingertip Gyro Fidget Spinner

High-performance -38dB all-directional capacitive polar microphone brings a high-quality conversation

Fetal Doppler Baby Heartbeat Monitor with LCD Display for Pregnancy Kids Shoes short press to change gearsOverview: 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