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  • Smart Sock S340 Smart Sock S340
  • Smart Sock S340 Smart Sock S340
  • Smart Sock S340 Smart Sock S340
  • Smart Sock S340 Smart Sock S340
  • Smart Sock S340 Smart Sock S340
  • Smart Sock S340 Smart Sock S340
  • Smart Sock S340 Smart Sock S340
The Best Gift and Care for Newborns

Smart Sock S340

$279.99
  • Monitor What Matters Most from Anywhere: Have peace of mind seeing and 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 cries, vitals change, or the sock detaches. Customize the alerts you want to see for a personalized parenting experience.
  • Clear View, Day and Night: Capture delicate details with 2K crystal-clear clarity and see everything happening in your baby's room. The camera comes with a non-invasive night vision that lets you monitor closely, even at night.
  • 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: With 24-hour Battery Life, the 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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    Smart Sock S340

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    Smart Sock S340: Advanced Baby Monitoring

    Smart Sock S340: Advanced Baby Monitoring

    Know Your Baby is Sleeping Well

    Smart sock tracks your baby's real-time sleep data, including heart rate, sleep status, and movements. Easily gain access to the data from your phone so that you can both get a well-deserved, good night's sleep.

    Sleep Analysis and Reports

    The eufy Baby app provides a daily report for you to better understand your baby's sleep patterns—no subscription fee needed.

    Picture-Perfect Quality

    Thanks to the 2K high-resolution camera with 330° pan, 110° tilt, and 4× zoom features, our industry-leading camera will put you right there so you can see every detail.

    Night Vision

    The non-invasive infrared night vision lets you see your baby clearly even at night.

    Know When You Are Needed

    Get Notified Anywhere

    Get instant notifications from your phone every time your baby is awake or fussy, or when the room temperature is out of the normal range.

    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

    The sock is made of a breathable, durable and washable material that is gentle on the skin. Smart Sock 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 on the pad and go.

    Product Comparison

    Smart Sock S340

    Smart Sock S320

    $169.99

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

    Prompts when uncomfortable sleep is detected

    -

    -

    -

    -

    LED indicators on baby's status

    Livestream on app

    Real-time sleep data on app
     

    Smart alerts on app

    Smart Sock S340

    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
      Camera 81mm x 81mm x 107.3mm
    Package Dimensions (L x W x H)
    • 230mm*189mm*175mm
      E8340132: 230mm*98mm*175mm
      E8360121: 230 x 90.5 x 175mm
    Weight
    • Sensor 8g (without sock wrap)
      Sock Wrap 4g/4g/5g (different size)
      Base 123g
      Camera 210g
    Power supply
    • Sensor 80mAh Rechargable Battery
      Base 5V/1A AC Power
      Camera 5V/2A AC Power
    Ports
    • USB-C
    Notes
    • - All images are for illustration purposes only.
      - Motion detection is not supported.
      - 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.
    Does the device generate any radio emmisions that would harm my baby?
    Smart Sock is not harmful to the baby as it has been tested and meets the applicable limits for radio frequency (RF) exposure. The sock connects with the base periodically via Bluetooth Low Energy 5.0 (2.4GHz) that has low power output. The base and camera connect to your phone via Wi-Fi like any other Wi-Fi-connected devices in your room.
    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.
    What do Smart Socks do?
    eufy Smart Socks S340 is designed to monitor a baby's vital signs, including naps, heart rate and oxygen levels. It provides real-time data through eufy Baby app, alerting parents if there are any irregularities. This helps ensure the baby's safety and gives parents peace of mind. Additionally, the smart sock are comfortable and easy to use, making them an essential tool for modern parenting.
    Can you wash the Smart Sock?
    Yes, eufy Smart Sock S340 is washable. It's designed for easy cleaning to maintain hygiene and comfort for your baby. Simply follow the care instructions provided in the product manual to ensure proper washing and longevity of the smart sock.

    Customer Reviews

    Based on 47 reviews
    70%
    (33)
    13%
    (6)
    2%
    (1)
    0%
    (0)
    15%
    (7)
    A
    Alexandra Helfer

    Wonderful

    J
    Jing
    Ease of use

    Good value for money, recommended.

    P
    Prestin
    I’m impressed! Great value and features.

    I wasn’t ready to spend for the Owlet and I can’t imagine it getting any better than this. Setup was very easy! The app is also built well, 4.7 stars on the App Store. It’s already providing peace of mind with our 1 week old baby.

    Y
    Yogesh Sonule
    Good monitoring system with excellent customer support

    Easy to setup. Excellent connectivity of camera with app. Overall extreamly delighted with the product performance.

    l
    lauren
    Great product! Sleep data is a bit inaccurate though

    Love this sock. Buy this instead of the owlet. It’s literally the same thing except not as expensive. I’ve been using it for around 2 weeks now. My 6 week old is a big fan of sleeping in his swing/bouncy seat and I’m terrified of SIDS/positional asphyxiation. I purchased the sock + camera bundle directly from the Eufy site because they had a coupon. Check both websites just to make sure. It gives me so much peace of mind to be able to check the app and see his vitals. Here’s the pro’s and cons list:Pros:-peace of mind, heart rate/SpO2 data is constantly refreshing and gives you a real time analysis-sleep data is helpful to see when baby typically wakes up during the night. It’s been super helpful with us starting soft sleep training. Not 100% accurate though-you can adjust the heart rate settings to have a notification sent when pulse reaches a certain threshold. “Normal” heart rate is 90-220 BPM but I was able to change the settings to send a notification from 110-200 BPM just to be safe.-camera picture quality is amazing, audio is super clear, fast, and you can speak through the camera/have it play lullabies to help soothe the baby. My husband flirts with me through the microphone lol.-baby doesn’t care that the sock is on at all. He doesn’t show any discomfort or try to shimmy it off. Idk if he even notices it honestly-camera is super easy to mount, no need for holes in the wall. You can literally just fasten it to the side of the crib (bedside bassinet in my case) also love the 360° panning because my guy likes to wiggle and move around. Wish it was a bit more wide angle of a lens, but I also have it mounted to the bassinet and not the wall.-you can choose whether to get notifications when there’s a loud noise/crying if you’re sleeping in different rooms. It’s very accurate.-notifications play at full volume on your phone even when it’s on do not disturb/silent. Notifications also sound through the sock base if your phone isn’t in the room with you.-Battery life is great and the sock fully charges within an hour and a half. he can wear it all day and night. I charge it during his morning feed (he takes awhile), a bath/feed, or contact nap and it’s fully charged by the time it’s over. He essentially wears it over 20 hours a day.- i haven’t had issues connecting it to the charger, I know some other people had issues with this. Sometimes you have to adjust it into place a little since it’s a magnetic charger, but the sock base will verbally say “sock charging” or “sock disconnected” and have an indicator light so you know whether or not it’s actually charging.-it tells you when the sock isn’t in place correctly or comes off completely instead of letting you receive inaccurate data. Love this feature.-comes with 3 different sock sizes so you can still use it as baby growsCons:-sleep data is a bit inaccurate. The movement data is on point and tells when baby is wiggly/peaceful. But oftentimes when he’s breastfeeding or just chilling in his crib (eyes wide open) it’ll say he’s in deep sleep or drifting off to sleep because he’s been still for awhile and his heart rate is calm. I only really value the night time sleep data for sleep training for this reason. Remember It’s not a medical device.-It doesn’t send notifications for lower SpO2 levels. you can’t adjust the threshold for SpO2 levels, only heart rate. I wanted to set notifications for when his SpO2 levels reach under 93 since the lowest it should be is 90, but it isn’t an option and doesn’t send notifications related to SpO2 anyway. Only heart rate. Apparently after some research they’re pretty synonymous with each other, but I have anxiety. Probably the biggest bummer about this product.-this one is probably obvious but it doesn’t work at all without WiFi. Our internet went out one day and it really sucked because I couldn’t get data for over 18h. I didn’t have to recalibrate anything when the internet went back up though, it just picked up where it left off.-Sometimes the lullabies sound a little weird through the speaker, like it’ll sound choppy or like it’s buffering. Idk what that’s about but my baby doesn’t care lol. Not a big deal to me.This was a long winded review, but I wanted to be as in depth as possible. BUY THIS INSTEAD OF THE OWLET! All in all this is a great product and I would recommend it to any parent, especially first time parents with horrible anxiety (like me lol) it’s a great baby shower gift if you’ve got some extra funds or the parents are very close to you. I didn’t have the money for it upfront, but the Eufy website has payment plans through affirm which was super helpful. I’m very glad I purchased this and I’ll be using it for my next baby too.

    T
    TashaTV
    Glitchy BPM alerts

    Sometimes glitchy. For example, will alert a low heart rate while the sock is on the charger, or will mark baby as “completing a new sleep cycle” when he’s not wearing the sock. Overall I like it, but do feel the tech and app could use some improvement. Also, the base alerts us out loud to noises in baby’s room, but doesn’t alert out loud to any vitals anomalies, which I would appreciate, but didn’t see a way to modify that/option to turn on base notifications in the settings.

    A
    Amazon Customer
    Great ideea

    Used it for 1 week and the sock only once. Great idea, but too much work to take on and off the sock, don't forget to charge it, make sure it's charging, make sure it's not too tight and so on. Yeah, it's not a medical device, but for what it's worth, received a "baby just completed a sleep" while baby was sleeping.4 stars because camera is great, app is great, sock is a great idea, but (in my way of thinking) limited, depends what you're expectation are.

    K
    Kimberly Janosik
    Excellent safety measure for those newborns

    I have no applicable comments at this time.

    A
    Amazon Customer
    Great product but could use some improvements.

    I like that it has a couple lullabies, I can record silly or cute things my baby is doing in his crib. But I find that it lags a lot... It works better with my phone data than with wifi which sucks. But it still lags even on phone data. Not always though. I really wish that you could keep the cam screen up on your phone while you do other stuff on your phone. That would be amazing.

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    Documents & Drivers

    • Baby Monitor 2 Quick Start Guide

      2022-8-26

    • Smart Sock Quick Start Guide

      2022-8-26

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