Smart Sock 3 FAQ's

Is the Smart Sock HSA/FSA approved?
Yes, you can use your HSA/FSA funds to purchase the Smart Sock and Smart Sock Plus. You can easily use your Health Savings Account (HSA) or Flexible Spending Account (FSA). Just add the products you would like to buy to your cart. Once finished, proceed through the checkout process like normal and use your FSA or HSA card in place of your debit/credit card. The Smart Sock can also be purchased at
How does the Smart Sock work?
The Smart Sock sensor uses pulse oximetry to gather your child's heart rate and oxygen level. The sensor sends your child's heart rate and oxygen level to the Base Station. The Base Station then sends your child's readings to your smartphone for you to view in real time.
What if the Smart Sock falls off my child's foot?
You will be notified if the Smart Sock is not getting valid readings or if the Sock has fallen off. The Base Station and your phone will play a charming lullaby with a yellow notification to make you aware that the Smart Sock needs readjusting.
Does Owlet have a sound or video monitor?
The Owlet Cam seamlessly integrates with the Smart Sock to deliver parents a complete picture of their child's well-being during sleep. Check out our Owlet Cam for more info.
What if my phone doesn't have service, is on silent, or my home wifi goes out? Does the Owlet itself make a noise?
Yes! The Base Station is your primary notification system for the Smart Sock. While you won’t be able to see live readings, the Base Station is designed to notify you if your child's heart rate or oxygen level falls out of range.
Is there a warranty on the Smart Sock?
Yes, we offer a 1-year warranty from the date of set up. Please refer to our warranty page for more information.
Do you have a satisfaction guarantee?
We offer a 30-Day Peace of Mind Guarantee. Try the Smart Sock for 30 days at home and return for a full refund if you aren’t satisfied. Just contact our Customer Care Team and don't forget to keep your proof of purchase. Smart Sock purchases from authorized retailers will need to be returned to the original place of purchase.
How long do the batteries last?
The Sock sensor will last through a full night’s sleep, up to 16 hours, before it needs to be recharged.
Do the Smart Socks come in different colors?
Yes, our fabric socks come in a variety of colors from blue, pink, and mint along with limited edition patterns. Check out the Sock Shop for all the latest colors and patterns.
Does Owlet guarantee the safety of my child?
The Owlet Smart Sock is a consumer product that provides parents insights into their child's wellness and peace of mind each time they put their child down for a nap or sleep at night. The Smart Sock is not an FDA-approved medical device and is not intended to diagnose, cure, treat, alleviate or prevent any disease or health condition or investigate, replace or modify any physiological process. You are responsible for your child's health, the wellbeing of your child, and following safe sleep, health, and care guidelines.
Is WiFi required to use the Smart Sock?
The Smart Sock and Base Station connect via Bluetooth low energy. WiFi is only required if you would like to use the Owlet App to view live readings. The Base Station is the primary notification system, so if your WiFi goes down or your phone dies (or you don't have it at all), the Base Station is still designed to notify. While WiFi is not required, it does make for a better user experience. HotSpot WiFi is not recommended.
How do I put the Smart Sock on my child?
To select the right fabric sock size for your child and properly apply the Sock to his or her foot, please refer to these detailed instructions.
Will the Smart Sock work in a variety of sleep positions?
Per American Pediatric Association guidelines, we recommend safe sleep practices, including, but not limited to, putting your baby to sleep on his or her back, alone in their crib without any loose blankets, pillows, or stuffed animals. The Smart Sock is designed to track during gentle motion and continues to track your child's heart rate and oxygen level through the gentle movement of sleep. Once your child starts walking like a pro, your toddler may prefer sleep positions of their choice.
What comes in the Smart Sock 3 box?
You will receive the Base Station, Smart Sock sensor, two fabric sock sizes for left and right feet to accommodate the growth of your child's foot, an AC adaptor, and charging cords.
How do I connect the Smart Sock to WiFi?
Make sure you download the free Owlet App. When you’re ready to set up your Smart Sock device, connect your mobile device to a 2.4G WiFi network. Follow the in-app instructions as prompted to connect the Base Station to WiFi.
How do I set up the Smart Sock?
Setting up the Owlet Smart Sock is easy! Download the free Owlet App on your mobile device of choice. Connect your mobile device to a 2.4G WiFi network, open the Owlet App and follow the in-app instructions to complete setup. As prompted, you will follow the steps to connect the Base Station to WiFi, sync the Smart Sock to your mobile device, and get ready to track your child's heartbeat, oxygen level, and sleeping patterns.
How do I clean my Smart Sock? Is it washable?
Yes, the fabric sock and Smart Sock 3 sensor are both washable. Please follow the instructions in this article to clean your Smart Sock 3.This will help keep the product performing as intended and reduce the potential for skin irritation. The Smart Sock 2 sensor is not washable, but the fabric socks can be washed the same as the Smart Sock 3.
What is the Owlet Smart Sock?
The Smart Sock is a first of its kind baby monitor that allows you to track your child's heart rate, oxygen level, and sleep patterns. The Smart Sock wraps gently around your child's foot for naps and overnight sleep and sends live readings via Bluetooth to the nearby Base Station and the Owlet App while supporting a night of undisturbed sleep for your child and peace of mind for you. Now with Smart Sock Plus, you can continue to monitor your growing child from toddlerhood up to 5 years of age!
Does the Smart Sock come in different sizes?
The Smart Sock 3 comes with 2 fabric socks (size 1-2). Our socks are designed to fit babies up to 18 months or from 5 to 30 pounds. Actual sizing and fit may vary as babies’ feet are all different shapes and sizes. It's important to get a snug fit but to never put the sock on too tight. The Smart Sock Plus comes with 3 fabric socks (size 1-3). Our socks are designed to fit babies and children up to 5 years of age, or 55 pounds. Actual sizing and fit may vary as babies’ feet are all different shapes and sizes. It's important to get a snug fit but to never put the sock on too tight.
Can I use the Smart Sock 3 with a Snoo?
Yes, the Smart Sock 3 works during gentle motion and can be used in safe-sleeping bassinets like the Snoo.
Do you have to pay extra to use the app?
The Owlet App is free to download in the App Store or Google Play Store.
What are the technical specifications of the Smart Sock 3?
  • 16-hour battery life
  • 8-hour charge in under 20 minutes; fully charged in 90 minutes
  • Monitors through gentle motion
  • Fits babies 5-30 lbs. Measures 3.5" L x 3.5" W x .7” H
  • Packaged Weight: 1.3 lbs
  • Sock is BPA Free, Lead Free
  • ETL listed; Designed in the USA
  • Imported Product
  • Wi-Fi is required for the Owlet app.
  • Owlet app only supports a 2.4 GHz wireless router. Only connect to a private network that requires a secure password.