Baby Doppler High Sensitivity Detector

High-security speakers: high-security speakers, low-power design, you can hear clearer sounds, and you can adjust the volume. Automatic shutdown: It will automatically shut down within one minute without sending out a signal, which is economical and energy-saving. Headphone mode: Headphone mode can hear the heartbeat more clearly. Probe interface Intelligent noise reduction function: Intelligent noise reduction, so that mothers can listen more easily. Description Material: plastic + electrical components White color Quantity: 1 set Screen size: 45 * 25mm / 1.77 * 0.98inch (L * W) Item size: 13.5 * 9.5 * 3.5cm / 5.31 * 3.731.38inch (L * W * H)