The Owlet Smart Sock 2 Replacement Base Station with Charge Cords Model PSA05A is a baby monitor equipped with advanced features for monitoring your baby's breathing and heart rate. This product from Owlet is designed to provide peace of mind for parents by tracking important health metrics and alerting them to any potential issues. With its reliable brand reputation and innovative technology, the Owlet Smart Sock 2 is a valuable tool for ensuring baby's safety and health.