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  • Smart Sock S320 Smart Sock S320
  • Smart Sock S320 Smart Sock S320
  • Smart Sock S320 Smart Sock S320
  • Smart Sock S320 Smart Sock S320
  • Smart Sock S320 Smart Sock S320
  • Smart Sock S320 Smart Sock S320
  • Smart Sock S320 Smart Sock S320

Smart Sock S320

$169.99
  • Monitor What Matters Most from Anywhere: Have peace of mind knowing your baby's vitals are always being monitored and always available on your smartphone.
  • A Full Picture of Your Baby's Wellness: Track more than just regular sleep patterns, including naps, heart rate, and blood oxygen levels. Get daily sleep reports based on customizable sleep tracking sensitivity.
  • Know When You're Needed: Get instant notifications when your baby's vitals change or the sock detaches. Customize the alerts you want to see for a personalized parenting experience.
  • Optimized for Accurate Data and Reporting: Get customized tracking and reports on your baby's sleep patterns with optimized algorithms and a fresnel lens. See key data like heart rate and blood oxygen levels over the past 48 hours
  • Comfortable and Easy to Wear for 0–18 Months: Smart Sock is dirt-resistant, flexible, soft, and washable, coming in 3 sizes so it grows with your baby.
  • HSA/FSA Eligible

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$169.99

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Smart Sock S320

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Know When You Are Needed
Get Notified Anywhere

Get instant notifications from your phone every time your baby is awake or fussy.

Gain Peace of Mind at a Glance

The base glows green to indicate that your baby is doing fine. A sound and a red light from the base lets you know that you should check on your baby.

More Accurate Readings

By using a Fresnel lens, infrared light can be refracted better for stronger optical signals for accurate measurements.

The Softest Touch

Smart Sock is made of breathable and washable material. It comes in 3 sizes, covering babies from 0-18 months and can be snugly worn on either foot.

Long-Lasting Battery

The long battery life of eufy Baby Smart Sock enables up to 24 hours of tracking on a single charge so you can have a good night's sleep.

Wireless Charging

The base also serves as a charging pad. Strong magnets hold the sensor on the sock in place while it charges, so you can just drop it and go.

Product Comparison

Smart Sock S320

Smart Sock S320

$199.99

Sleep tracking and insights
(Sleep time, heart rate, movements, history analysis)

Prompts when uncomfortable sleep is detected

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LED indicators on baby's status

Livestream on app

Real-time sleep data on app
 

Smart alerts on app

Smart Sock S320

Smart Sock S340

$329.99

Sleep tracking and insights
(Sleep time, heart rate, movements, history analysis)

Prompts when uncomfortable sleep is detected

2K video and night vision

330° pan, 110° tilt

Room temperature and sound notifications

Two-way talk

LED indicators on baby's status

Livestream on app

Real-time sleep data on app
 

Smart alerts on app

Specs

Product Dimensions
  • Sensor 42mm*38mm*13.5mm (without sock wrap)
    Base 80mm*80mm*32mm
Package Dimensions (L x W x H)
  • 230mm*189mm*175mm
    E8340132: 230mm*98mm*175mm
Weight
  • Sensor 8g (without sock wrap)
    Sock Wrap 4g/4g/5g (different size)
    Base 123g<
Power supply
  • Sensor 80mAh Rechargable Battery
    Base 5V/1A AC Power
Ports
  • USB-C
Notes
  • - All images are for illustration purposes only.
    - Disclaimer: eufy Baby Smart Sock is not a medical device. It is designed and intended to provide insights into your baby's sleep patterns and help with your baby's general sleep habits. Smart Sock is not intended to and cannot be used to diagnose, treat, cure, or prevent any disease or condition, including but not limited to, sudden infant death syndrome (SIDS).

FAQ

Is eufy Baby Smart Sock safe for my baby?
Yes, eufy Baby Smart Sock is safe for daily use with your baby when used as instructed. The sensor tracks your baby's sleep via light reflections (PPG technology) and baby's movements. The sock uses high-quality fabric that wraps comfortably on your baby's feet. All components of the smart sock are carefully selected and manufactured with quality in mind. We have collaborated with parents like you and engaged in rigorous tests to make sure the sock is safe for all.
Will Smart Sock cause a choking hazard to my baby?
Smart Sock is safe for your baby and meets the safety standards. As a precaution, keep the sock sensor away from your baby's mouth.
How many sock sizes are included in the box?
Smart Sock comes in 3 sizes that fit most children up to 18 months old or weigh up to 30 lb. All sizes are symmetrical and can be worn on either foot.
How does Smart Sock track my baby's sleep?
Our sleep algorithm detects the baby's current sleep state based on movements and heart rate. You can use the sock to track daytime naps and nighttime sleep. External activities will affect sleep detection, such as sleeping in a moving stroller, in a car, in a moving bassinet, or being carried in your arms. The sleep detection algorithm best suits a baby sleeping in a bed/crib.
Do I need to pay extra to access video clips or sleep data like other smart baby monitors?
No monthly subscription fee or long-term contract is required. You can access your baby's sleep data, history, and reports at zero cost.

Customer Reviews

Based on 150 reviews
74%
(111)
20%
(30)
1%
(1)
1%
(2)
4%
(6)
K
Kathy
The perfect gift to put new moms at ease

I wish they had something like this when I had children. Not only can it save your babies life, but it helps. New moms breathe breath of relief, knowing they will be alerted if there’s an issue.

C
Cameron Imbriale
Excellent!

Works just as good as other brands, which I have previously owned and a fraction of the price

M
MICHAEL
Working well for us

The device comes with socks of 3 sizes to grow with your baby. We like the peace of mind it provides, where we get alerts on our cell phone if heart rate is out of range. I recommend.

T
T
Love!

This sock gives me and my husband so much comfort for our baby while she sleeps. It is suppose to alert your phone for critical things even if it is on silent. Really like that

M
McKinley Chappell
Simple, Affordable, Accurate

The device was easy to set up and I haven’t had any connectivity issues despite having poor connection in certain areas of my home with other smart devices. The sock doesn’t leave any marks on my baby’s foot, move around, or fall off. It’s freaky accurate with sleep tracking. If I disturb my baby when it indicates she is drifting off to sleep, she is more easy to wake. But if I wait til it indicates she is in restful sleep she will keep sleeping and I can transfer her to her crib with ease. It’s clearly high quality and well made. I would buy again, and will be looking into more eufy products in the future!

m
margaritamarcia
Great affordable option vs owlet

I got this as a gift for my newborn and we’ve used it for 12 weeks. At first we did get a couple “low heart rate” alerts and realized we didn’t have the monitor on tight enough. After that, we haven’t gotten any alerts. We only use this for overnight sleeps, not naps, due to some reviews about it leaving marks. we have not found any marks on our son. The alert is very loud on my phone and woke me up every time. Very easy to set up and never had any connectivity issues. The app is very user friendly and suggests sensitivity to provide more accurate information. The only thing I wish was that this monitor also provided stats on body temp. Other than that, I love this and gives me great peace of mind!

H
Hannah
The low heart rate alarm went off today.

This product certainly gives us peace of mind. Easy to use, read and with a Low Heart Beat Alarm.

M
Mrs. Stremmell
Baby gift

I bought this as a baby gift. And the mom said she loves it.

P
Project Manager
Great Tool But also frustrating

I think overall the setup has worked great. There have been some negatives. There have been times when the system has automatically updated while baby is asleep and wearing sock. Rare but it only takes one event for something to go wrong. Over the past two years we had to buy replacement socks because they wear out. Now we have to buy an entire new kit because the monitor piece that has the red light, its material has worn out. It is now like fried bacon simply slips throw the whole of the sock. The Velcro is no longer able to lock it in place.

G
Guilherme
Disappointed with Battery Life but good customer support

After just 14 months of daily use, the sock’s battery started failing. It now lasts only 10-11 hours, which is far below the advertised 24-hour battery life. Fortunately, even right after the 12-month warranty and some days of back and forth the customer support decided to replace the item, I truly appreciate the company commitment.

Documents & Drivers

  • Baby Monitor 2 Quick Start Guide

    2022-8-26

  • Smart Sock Quick Start Guide

    2022-8-26

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