Smart Sock 3 Fabric Sock Ext Set PLUS
Enjoy continued peace of mind from your Smart Sock 3.
Extend the life of your Smart Sock 3!
Our Extension Pack allows you to continue tracking your child’s heart rate, oxygen level, and sleep trends up to 5 years of age. The included toddler-sized fabric sock works with your existing Sock 3 sensor, and our optimized technology continues to provide accurate readings as your child grows.