Owlet Dream Sock- Track sleep trends and help Baby sleep better. • Track how long and how well Baby slept • Use sleep data and expert tips to help Baby sleep better • Track real-time sleep quality indicators such as wakings, heart rate, and movement • View live readings, trends, and tips in the Owlet Dream App FDA Cleared 1-18 months 6-30 lbs. What's in the box: Dream Sock Sensor Base Station Four Socks (Mint green color) Brand New in box. Never used. Ships same or next business day from a smoke and pet free home.