THIS ITEM IS IN NEW CONDITION. Meaning it is factory sealed and it has never been opened. The box is also in near perfect condition. 
From Owlet, this sock features:
Award-winning, personalized sleep coaching technology
PPG sensor that tracks real time sleep indicators including waking's, heart rate, and movement
Velcro secure closures
Personalized sleep program
View live readings, tips and personalized sleep support in the Owlet Dream App
Designed for babies 0-18 months & up to 30 lbs.
Sock includes removable sensor for cleaning
Spot clean/ lay flat for drying