The Owlet Dream Sock Model OBL 3.0 is a used baby monitor designed to track a baby's sleep. The monitor comes in the form of a left sock and is suitable for babies weighing up to 12 lbs. It features an oxygen level monitor, heart rate monitor, and battery warning. The monitor is portable and can be connected to a smartphone via Bluetooth or Wi-Fi. The display is digital and the unit is manufactured in China.

For sale a Owlet baby sock 12LB Plus works great comes with Power cable