Monitor What Matters — The award-winning Smart Sock tracks your baby’s sleep patterns. View your baby’s sleep trends in the Owlet App from anywhere. View Sleep History & Trends — The Smart Sock tracks Baby’s sleep cycles and displays trends over time so you can spot patterns and make adjustments to Baby’s schedule as they grow. Track the total number of hours slept and review a history of light sleep, deep sleep and number of night wakings. Proven Peace of Mind — Designed for Babies 0-18 months and up to 30 pounds, millions of parents trust the Smart Sock every night to help track their baby’s sleep and enjoy more peace of mind. Get a Complete Picture — Upgrade to the Owlet Monitor Duo for the most complete picture of your baby’s well-being while they sleep. The Duo offers the intelligence of our award-winning Smart Sock paired with our Wi-Fi Cam. Know when youre needed — The Base Station glows green when the Smart Sock is connected and notifies with lights and sound. Compatible with iOS 14+ and Android OS 7+ › See more product details