In used but like new and excellent condition. Was recently updated and works great! Comes with 4 extra socks which is a $40 value. Owlet Dream Sock® offers parents the ultimate peace of mind. This first-of-its-kind FDA-cleared baby monitor comfortably wraps around your baby's foot, providing real-time monitoring of your baby’s pulse rate, oxygen, sleep patterns, and more. Its advanced technology offers clinically-proven, medical-grade accuracy, while the connected Owlet Dream App delivers live readings directly to your mobile device and a nearby Base Station – both of which will notify users when your baby needs your immediate attention. With Dream Sock, experience the perfect balance of technology and safety, ultimately offering you peace of mind.