Keep track of your baby's vital signs with the Owlet Smart Sock Baby Monitor. This unit quantity of the Voice & Breathing type monitor is perfect for parents who want to make sure their little ones are safe and healthy. With features such as oxygen level monitoring, heart rate monitoring, and battery warnings, you can be sure that your baby is always okay. This baby monitor is also portable and smartphone capable, making it easy for you to check on your baby anytime, anywhere. Made in Thailand, this monitor uses Wi-Fi to connect to your smartphone and keep you informed about your baby's condition. With the Owlet Smart Sock Baby Monitor, you can have peace of mind knowing that your baby is safe and sound.