Baby Sleep Monitor S1 - Blue Sock VersionKnow your baby's sleepThe Baby Sleep Monitor tracks your baby's heart rate, average oxygen level and movement overnight, could be your good helper to know your baby sleep. Peace of mind Viewing the heart rate, average oxygen level and movement on ViHealth APP, keep an eye on your baby's sleep. Comfortable sock with two kinds of sizeThe unique designed soft foot sock can be easily worn on the baby's foot, gentle and non irritating. S L size precisely
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