Owlet Smart Sock 3 Extension Pack

The Smart Sock 3 Extension Pack works with your existing Smart Sock 3 Monitor sensor and includes our toddler-sized fabric socks. 

• track your child’s heart rate, oxygen level, and sleep trends for 42 additional months for continued peace of mind
  
• track heart rate, oxygen level & sleep trends
• tailored monitoring technology as your child grows
• large fabric socks work with Smart Sock 3 sensor

 
*includes: 2 larger fabric socks in Mint