Owlet – Smart Sock Extension Pack

owlet baby care
For Children 18 Months to 5 Years


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The new Smart Sock Extension Pack works with your existing Smart Sock 3 sensor and includes their toddler-sized fabric sock.

Track your child’s sleep trends for 42 additional months and enjoy continued peace of mind as your child grows.

Owlet - Smart Sock Extension Pack

Enjoy continued peace of mind from 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, between 13.5 to 25 kgs.

The Owlet Extension Pack is a pair of larger fabric socks designed to use with the Owlet Smart Sock 3. The Extension Pack enables you to track your child’s heart rate, oxygen levels and sleep patterns longer! With the Extension Pack, you can now enjoy using your Owlet Smart Sock until your child is 5 years old or 25kg!

Continue to monitor your child through every milestone—from teething to toothfairy.


  • 42 additional months of live readings
  • Tailored monitoring technology as child grows


  • Large fabric sock 
  • Works with Smart Sock 3 sensor
  • Fits under footy pajamas, swaddles and socks
  • Owlet app supports multiple child profiles and devices


  • Toddler-sized fabric sock
Owlet - Smart Sock Extension Pack



owlet baby care