Excellent and Pristine Condition Smart Sock Monitor Set. Includes 1 sock and all other attachments. In original packaging!!! Smoke free home! Used a handful of times and is perfect. Reasonable offers are welcome!! Eufy Baby Smart Sock Monitor Set— What Matters Most from Anywhere: Have peace of mind seeing and knowing your baby's vitals are always being monitored and always available on your smartphone. A Full Picture of Your Baby's Wellness: Track more than just regular sleep patterns, including naps, heart rate, and blood oxygen levels. Get daily sleep reports based on customizable sleep tracking sensitivity. Know When You're Needed: Get instant notifications when your baby cries, vitals change, or the sock detaches. Customize the alerts you want to see for a personalized parenting experience.