Owlet Smart Sock 3 Plus with Smart Sock Extension Pack (up to 5 years-old)

The new Smart Sock Plus uses Owlet's award-winning technology to track your child's sleep patterns as they grow. Use the data to make adjustments to your child's routines from birth to 5 years of age with the last baby monitor you'll ever need! - Track your child’s sleep trends - See a number of wakings & total hours slept - For babies and children 0 months to 5 years old - Receive notifications if Smart Sock is disconnected - View readings in real-time from the Owlet App - Compatible with Android 7 or higher only; iOS web-based app coming soon - Integrates with Owlet Cam (sold separately) - Integrated 3.7V lithium-ion battery Two of the 6 socks have been previously used and washed (left foot <12 lbs & left foot 12-30 lbs). The respective right foot bands are brand new, as well as both feet for the 18m-5y extension pack. Having this product gave me peace of mind