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Feature
Portable: Compact and Portable design provides a convenient use and carrying. Package Content: 1 x GEL,2 AA battery ,1 x Independent Probe, 1 x English ManualBacklight LCD display: large backlight LCD displays the baby heartbeat rate ,Loudspeaker: built-in speaker gives clear and loud voice. Interchangeable probe.
Three calculation modes to calculate baby heartbeat rate: Instant, 10 seconds average and manual.suitable for the 13th weeks New mommy
Automatic shutdown after 1 minute without operation., High sensibility can detect the heart rates of 13th week