Owlet Dream Sock - FDA-Cleared Smart Baby Monitor - Track Live Pulse (Heart) Rate, Oxygen in Infants - Receive Notifications - Mint Nylon and Spandex Imported Peace of Mind: Dream Sock provides caregivers with a deeper understanding of their infant?s safety and well-being through real-time health readings and timely notifications when their baby needs their attention FDA-Cleared: Dream Sock is the first and only FDA-Cleared smart baby monitor and is intended for use with healthy infants between 1-18 months, 6-30 lbs. Track Live Pulse Rate Oxygen: View and track your baby?s pulse rate, oxygen, wakings, and sleep trends from anywhere and in real-time via the Owlet Dream App. Know When You?re Needed: If your infant?s health readings fall outside the preset ranges, you?ll be notified in real-time through lights and sounds on the included Base Station as well as in-app notifications. View Health Sleep Trends: View your baby?s historical pulse rate and oxygen readings in the Dream App to gain valuable insights into your baby's health trends over time.