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Feno - Full Mouth Smartbrush, AI Powered 20 Sec Deep CleanFeno Labs

Feno Smartbrush Electric Toothbrush for Adults – AI-Powered Oscillating Toothbrush with App and Personalized Mouthpiece, 20-Second Deep Clean, Rechargeable, Includes 1 Bottle of Feno Foam Toothpaste

4.0 out of 5 stars (129)

$299.99
$299.99 per count
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Style: Starter Kit
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About this item

  • FAST & CONVENIENT BRUSHING – Feno’s AI-powered electric tooth brush features a personalized U-shaped mouthpiece with oscillating bristles, designed to simplify your daily oral care routine.
  • AI-POWERED SMART TOOTHBRUSH WITH APP – Connect with the Feno Plus App to view brushing performance data, track daily habits, and access app-based insights that support long-term oral care routines.
  • NEXT-GEN ORAL CARE WITH TRUEFIT MOUTHPIECE – Each package includes one TrueFit Mouthpiece size for a comfortable starting fit. If you need another size, the included Feno FitKit helps identify the best option, ensuring a personalized brushing experience.
  • COMPLETE SMART BRUSHING SYSTEM – Starter kit comes with one bottle of fluoride-free Feno Foam toothpaste, created to complement the oscillating brush design. Together with the AI-powered app, you receive guided brushing support for everyday oral care.
  • RECHARGEABLE & TRAVEL-FRIENDLY DESIGN – This cordless, lightweight toothbrush provides up to one month of use per charge (depending on usage). Compact and portable, it’s ideal as a travel electric toothbrush for consistent oral care anywhere.
  • ADVANCED WIRELESS CHARGING – Connect the Smarthandle to the Feno Snap Charger for instant, magnetic wireless charging. No cords, no hassle - just place it on the dock for reliable power.
  • REPLACEABLE TRUEFIT MOUTHPIECE – The U-shaped mouthpiece is fully detachable and replaceable, making it easy to maintain hygiene and extend the life of your smart toothbrush.
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This item: Feno Smartbrush Electric Toothbrush for Adults – AI-Powered Oscillating Toothbrush with App and Personalized Mouthpiece, 20-Second Deep Clean, Rechargeable, Includes 1 Bottle of Feno Foam Toothpaste
$299.99 ($299.99/count)
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Sold by Feno Labs and ships from Amazon Fulfillment.
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$12.99 ($6.16/fluid ounce)
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Sold by Chunyeshangmao and ships from Amazon Fulfillment.
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$13.99 ($6.61/ounce)
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Safety Information

Choking hazard: Keep out of reach of children under 3 years. Do not use this product for purposes other than oral hygiene. This product involves handling sensitive personal data, so please follow all instructions for safe and secure use. Replace the toothbrush head every 3 months or when the bristles become frayed, whichever comes first.

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Product description

Feno Smartbrush
The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.

Feno 20 seconds smartbrush

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Feno Oral Healthcare
Feno Full Mouth Smartbrush
Feno Full Mouth Smartbrush

1 Mouthpiece is included in every box! Need a better fit ?

Feno Step 1

STEP 1

Scan the Code Inside Your Smartbrush Package

Feno Step 2

STEP 2

Use The Feno Fitkit App To Scan Your Mouth

Feno Step 3

STEP 3

Receive Your Personalized Mouthpiece

Feno Step 4

STEP 4

Enjoy 1 Fee Month of Feno Membership, then $9.95/month

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Product details

  • Package Dimensions ‏ : ‎ 15.67 x 9.13 x 3.58 inches; 1.1 Pounds
  • Item model number ‏ : ‎ SH5MWHV1X2
  • Batteries ‏ : ‎ 1 Nonstandard Battery batteries required. (included)
  • Date First Available ‏ : ‎ March 31, 2025
  • Manufacturer ‏ : ‎ Feno Labs, Inc.
  • ASIN ‏ : ‎ B0F32L1MCQ
  • Best Sellers Rank: #43,924 in Health & Household (See Top 100 in Health & Household)
  • Customer Reviews:
    4.0 out of 5 stars (129)
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Customer reviews

4 out of 5 stars
129 global ratings
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Customers say

Customers find the electric toothbrush effective, noting it cleans teeth in 20 seconds and leaves them feeling extremely clean. They appreciate its ease of use, with one mentioning it's perfect for busy mornings or nights, and its quick brushing speed. The app receives positive feedback for its intuitive design, and customers like how their teeth feel smooth after use. The battery life receives mixed reviews - while some say it lasts forever between charges, others report it doesn't charge at all. The functionality receives negative feedback, with several customers reporting that the device stops working completely.
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59 customers mention effectiveness, 58 positive, 1 negative
Customers find the toothbrush highly effective, reporting that their teeth feel extremely clean after 20 seconds of brushing, with one customer noting that the oscillating brush head provides a thorough clean.
I love this toothbrush. My teeth feel so clean and it reaches places my standard electric brush has failed to do....Read more
Love how quick and efficient this is! My teeth feel so so clean. Love itRead more
...It’s so easy to take on the go and my mouth feels so clean. I love how easy the app and tips are, too! Highly recommend!!Read more
Ok, this thing is seriously awesome! It really does clean your teeth in 20 seconds, and they really do feel very clean and fresh afterwards!...Read more
36 customers mention quality, 33 positive, 3 negative
Customers find the toothbrush amazing and of top quality, describing it as the coolest toothbrush ever.
Amazing!...Read more
Love this toothbrush! You can seriously brush your teeth in 20 seconds. My mouth feels so clean after. Need to get my husband one now!!!😊...Read more
This is such an amazing product! My teeth feel so clean!Read more
Coolest toothbrush I’ve ever owned! 🪥🦷...Read more
26 customers mention ease of use, 22 positive, 4 negative
Customers find the toothbrush easy to use, with the app being particularly intuitive. One customer mentions it's perfect for busy mornings or nights.
This toothbrush has been a game changer. It’s so easy to use and I love that even on my most exhausted nights, I’m never questioning later if I...Read more
So impressed with the feno smartbrush! So easy to set up! I love how easy and thorough it is to use!!!Read more
...It cleans my teeth so well and super easy to use. I am amazed that it cleans my teeth in 20 seconds....Read more
...It really does clean your teeth in 20 seconds and it’s so easy to use....Read more
21 customers mention brushing speed, 21 positive, 0 negative
Customers appreciate the toothbrush's brushing speed, as it can be completed in just 20 seconds, making it a huge time-saver.
Such a quick and efficient way to brush your teeth!! Love how the mouthpiece is tailored to you. I also love that their is a personalized app for you!Read more
Fast, efficient, helps me feel fresh!...Read more
...Brushing only takes 30 seconds, which makes it easy to stay consistent, especially on busy mornings and nights. It feels gentle but thorough.Read more
...It cleans great, and I love how it brushes each section in just 20 seconds. + I took it on vacation and the battery lasted the whole time....Read more
14 customers mention app ease, 11 positive, 3 negative
Customers find the toothbrush's app intuitive and convenient, with one mentioning how it helps track brushing habits.
...The minty tooth foam tastes really good and I also love the app that helps me keep track of my oral health. Highly recommend!Read more
...I love that it only takes 20 seconds. The app is easy to use and their customer service was great when I had a question!Read more
...The app is a nice touch too—easy to use and really helpful for tracking progress. Yes, it’s an investment....Read more
App sucks. Scan you mouth feature is a joke not sure how it will determine your dental health. Low quality picture. The toothbrush itself is ok....Read more
10 customers mention teeth cleanliness, 10 positive, 0 negative
Customers report that their teeth feel smooth after using the toothbrush, with one customer noting it's gentle but thorough.
...Easy to use, gentle on my gums, and my mouth feels cleaner after brushing. Simple and effective.Read more
...It really does a deep clean in just 20 seconds, and my teeth feel smooth like after a dental visit....Read more
...The bristles are soft enough that it doesn’t bother my sensitive gums but my teeth still feel smooth!...Read more
My teeth feel so fresh and clean every time I use the Feno Smartbrush!...Read more
14 customers mention battery life, 8 positive, 6 negative
Customers have mixed experiences with the toothbrush's battery life, with some reporting it lasts forever between charges while others mention it doesn't charge properly.
...It’s sleek, rechargeable, and perfect for travel. This is honestly the best electric toothbrush I’ve ever used—quick, smart, and super effective....Read more
It worked for 3 days, now does not charge. For the amount of money spent, I should not expect this.Read more
...help me brush better without hurting my gums, and the battery life is amazing — I can go many days without charging....Read more
do not buy broke within 2 months does not turn on or charge waste of money and cheap qualityRead more
11 customers mention functionality, 3 positive, 8 negative
Customers report issues with the toothbrush's functionality, with multiple reviews mentioning that the device stops working completely.
Very poor quality, would not turn on or charge.Read more
It consistently stopped powering on, and couldn't be reset....Read more
At the surface it looks and works cool! But the features are a scam if you don't have IOS....Read more
...wanted to like this toothbrush, but unfortunately, it hasn’t lived up to expectations....Read more
Revolutionized My Brushing Routine (even one-armed 😆)!
5 out of 5 stars
Revolutionized My Brushing Routine (even one-armed 😆)!
I originally bought the Feno Smartbrush as a fun upgrade… but it became a total lifesaver when I broke my shoulder and was stuck in a sling. Brushing one-handed was a struggle, and this made it effortless. Pop it in, press a button, and 20 seconds later my whole mouth feels seriously clean. No awkward scrubbing, no toothpaste mess everywhere, and barely any arm movement needed. The mouthpiece is comfortable, the foam toothpaste is easy to use, and my teeth feel smoother than they ever did with my old electric toothbrush. Honestly? I’m keeping this in my routine even after my shoulder heals. Would absolutely buy again… sling or no sling. 😄
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Top reviews from the United States

  • Reviewed in the United States on January 7, 2026
    Style: Starter KitVerified Purchase
    I’ve been using the Feno Smartbrush for a few weeks now, and I’m honestly impressed. This is not your typical electric toothbrush, it’s a full-mouth smartbrush that cleans all your teeth at the same time, which already makes it a huge time-saver. Setup was very easy, and I loved how intuitive the app is. The mouthpiece feels comfortable, and the brushing experience is gentle but thorough. After each use, my teeth feel noticeably cleaner and smoother, like I just left a professional cleaning. I also appreciate the real-time feedback and insights, which help me stay consistent and improve my brushing habits. Another big plus is that it’s perfect for busy mornings or nights when you’re tired-you still get a complete clean without standing at the sink forever. The design is sleek and modern, and everything feels high quality. If you’re someone who cares about dental health, loves smart tech, or just wants a more efficient brushing routine, the Feno Smartbrush is absolutely worth it. It’s an investment, but one that truly elevates everyday oral care. Highly recommend!
    Customer image
    5.0 out of 5 stars
    Game-changer for my oral care routine

    Reviewed in the United States on January 7, 2026
    I’ve been using the Feno Smartbrush for a few weeks now, and I’m honestly impressed. This is not your typical electric toothbrush, it’s a full-mouth smartbrush that cleans all your teeth at the same time, which already makes it a huge time-saver. Setup was very easy, and I loved how intuitive the app is. The mouthpiece feels comfortable, and the brushing experience is gentle but thorough. After each use, my teeth feel noticeably cleaner and smoother, like I just left a professional cleaning. I also appreciate the real-time feedback and insights, which help me stay consistent and improve my brushing habits. Another big plus is that it’s perfect for busy mornings or nights when you’re tired-you still get a complete clean without standing at the sink forever. The design is sleek and modern, and everything feels high quality. If you’re someone who cares about dental health, loves smart tech, or just wants a more efficient brushing routine, the Feno Smartbrush is absolutely worth it. It’s an investment, but one that truly elevates everyday oral care. Highly recommend!
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    Customer image
    2 people found this helpful
    Report
  • Reviewed in the United States on September 23, 2025
    Style: Starter KitVerified Purchase
    I couldn’t be more pleased with the Feno Smartbrush! This toothbrush has totally transformed my brushing routine—and in just 20 seconds I get a level of clean I never experienced with my old electric brush. The custom mouthpiece fits perfectly, the foam toothpaste is refreshing, and the results speak for themselves: smoother teeth, cleaner gums, and fewer spots I feel like I’m missing. The app is a nice touch too—easy to use and really helpful for tracking progress.

    Yes, it’s an investment. But considering how much time and effort this saves, plus how fresh and clean my mouth feels afterward, I think it’s completely worth it. If you want top quality, modern tech, and a smile you can feel, this is the toothbrush to get.

    Highly recommend!
    6 people found this helpful
    Report
  • Reviewed in the United States on December 31, 2025
    Style: Starter KitVerified Purchase
    Concept is cool, out of the box it didn't work because of the app. I am stuck on the wifi network selection screen but nothing pops up even though I have a strong and stable connection. Since I cannot connect to wifi with the brush it's just a brick that vibrates. Its too expensive to be useless like this, I would also like to add that since I cannot complete start up due to this issue with the wifi, I only get a "connect this device" screen. I can't even tell if the brush (brick at this point) is even charging or if the battery is low. This thing is almost $300 and your telling me that it has NO stand alone functionality unless you can get past the terrible setup process? If you're reading this, don't buy currently, its a nice concept with terrible execution.
    10 people found this helpful
    Report
  • Reviewed in the United States on January 26, 2026
    Style: Starter KitVerified Purchase
    This toothbrush feels like it’s from the future. Its AI-powered and shows me how I’m brushing, but it’s also ridiculously easy to use. It’s lightweight, travel-friendly, and has been a smart upgrade to my daily routine.
  • Reviewed in the United States on January 7, 2026
    Style: Starter KitVerified Purchase
    I am so surprised at how much this actually works, I was skeptical at first but my teeth feel insanely clean after brushing with this and the toothpaste makes my breathe so fresh, much more than a traditional toothpaste. I’ve been using it for 2 weeks and definitely prefer it over a regular toothbrush! I ask my husband how my breath smells compared to before haha, and he says my breath smells really fresh!! I also haven’t charged it in a week, so the battery life lasts so long.
  • Reviewed in the United States on July 18, 2025
    Style: Starter KitVerified Purchase
    Game-Changer!
    The Feno Smartbrush is seriously next-level. This is the future of oral care. It was so easy to set up—just scanned the QR code, followed the app instructions, and within days I had a custom-fit mouthpiece tailored to my smile. Brushing takes only 20 seconds and it leaves my teeth feeling incredibly clean. No scrubbing, no hassle. I love how the app tracks everything and gives tips, too. It’s sleek, rechargeable, and perfect for travel. This is honestly the best electric toothbrush I’ve ever used—quick, smart, and super effective. Highly recommend!
    5 people found this helpful
    Report
  • Reviewed in the United States on January 14, 2026
    Style: Starter KitVerified Purchase
    The media could not be loaded.
    This smart toothbrush is a really convenient option for lazy people or those nights when you’re extremely tired and just want to go to bed 😄 In about 20 seconds your teeth already feel noticeably cleaner, which is impressive and very motivating to actually brush instead of skipping it.

    That said, it’s important to be realistic: it doesn’t fully replace a regular toothbrush. You’ll still need to go over hard-to-reach areas manually and use dental floss for a truly thorough clean. I see this more as a great add-on or quick solution when you’re short on time or energy.

    Overall, it’s easy to use, feels comfortable in the mouth, and does a good job for what it’s designed for. A nice helper for everyday oral care, especially on busy or sleepy days.
  • Reviewed in the United States on December 14, 2025
    Style: Starter KitVerified Purchase
    The idea of this thing is amazing, but it is so buggy and has all of these gimmicky things about it that don’t work anyway. I’ve had the hard reset this thing three times and the last time it won’t reset at all. Every time the battery will get low. It would not charge. I shouldn’t have to search the Internet for troubleshooting for a toothbrush.

    It should also not have so many firmware updates that you as the consumer have to seek out in order to make this very very very expensive toothbrush work. I can’t imagine gifting this to someone older who wouldn’t have a clue how to troubleshoot this TOOTHBRUSH!

    I am about a week outside of the 30 day return window and now I’m stuck with this thing there’s essentially a small brick
    9 people found this helpful
    Report

Top reviews from other countries

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  • SAMIR OMAR MOAMINA
    5.0 out of 5 stars Amazing product
    Reviewed in Saudi Arabia on January 11, 2026
    Style: Starter KitVerified Purchase
    Amazing product.
    It will give you the exact feeling after dentist cleaning session
  • Vasthi
    1.0 out of 5 stars No funciona
    Reviewed in Spain on October 14, 2025
    Style: Starter KitVerified Purchase
    La talla de loa moldes no es adecuada y me va grande. Un dia despues y ya no carga ni funciona.
    Report
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Product Summary: Feno Smartbrush Electric Toothbrush for Adults – AI-Powered Oscillating Toothbrush with App and Personalized Mouthpiece, 20-Second Deep Clean, Rechargeable, Includes 1 Bottle of Feno Foam Toothpaste

From Feno

4.0 out of 5 stars, 129 ratings

Customer reviews

100+ bought in past week

Price

One-time purchase: $299.99 ( $299.99 / count)

Purchasing options

Other sellers

Other sellers

About this Item

  • FAST & CONVENIENT BRUSHING – Feno’s AI-powered electric tooth brush features a personalized U-shaped mouthpiece with oscillating bristles, designed to simplify your daily oral care routine.
  • AI-POWERED SMART TOOTHBRUSH WITH APP – Connect with the Feno Plus App to view brushing performance data, track daily habits, and access app-based insights that support long-term oral care routines.
  • NEXT-GEN ORAL CARE WITH TRUEFIT MOUTHPIECE – Each package includes one TrueFit Mouthpiece size for a comfortable starting fit. If you need another size, the included Feno FitKit helps identify the best option, ensuring a personalized brushing experience.
  • COMPLETE SMART BRUSHING SYSTEM – Starter kit comes with one bottle of fluoride-free Feno Foam toothpaste, created to complement the oscillating brush design. Together with the AI-powered app, you receive guided brushing support for everyday oral care.
  • RECHARGEABLE & TRAVEL-FRIENDLY DESIGN – This cordless, lightweight toothbrush provides up to one month of use per charge (depending on usage). Compact and portable, it’s ideal as a travel electric toothbrush for consistent oral care anywhere.
  • ADVANCED WIRELESS CHARGING – Connect the Smarthandle to the Feno Snap Charger for instant, magnetic wireless charging. No cords, no hassle - just place it on the dock for reliable power.
  • REPLACEABLE TRUEFIT MOUTHPIECE – The U-shaped mouthpiece is fully detachable and replaceable, making it easy to maintain hygiene and extend the life of your smart toothbrush.
  • WATER-RESISTANT DESIGN – The Feno Smartbrush is resistant to everyday splashes and can be rinsed safely after use. It should not be submerged in water or used in the bath or shower. Handle is water-resistant, mouthpiece can be rinsed, then dried fully.
  • MODERN SMARTBRUSH TECHNOLOGY BY FENO – Combining AI-powered brushing, wireless charging, replaceable mouthpieces, and water-resistant design, the Feno Smartbrush is a next-generation toothbrush for adults. Compact, cordless, and travel-ready.
  • NOT DESIGNED FOR BRACES – The Smartbrush is currently not optimized for use with braces. Once braces are removed, it becomes an excellent tool to help maintain a straight, healthy smile.

Product Description

U-shaped toothbrush - Autobrush - Smarter, Faster, Cleaner – A New Era of Oral Care The Feno Smartbrush Electric Toothbrush for Adults delivers a professional deep clean in just 20 seconds. Featuring AI-powered oscillating bristles and a custom-fit TrueFit Mouthpiece, this automatic toothbrush performs 250 strokes per tooth for a thorough clean—no manual brushing needed. AI Technology + App Integration Sonic toothbrush Connect your ultrasonic toothbrush smart toothbrush with the Feno Plus App to get real-time brushing insights, habit tracking, and customized feedback. Whether you want whiter teeth, improved gum health, or long-term dental hygiene, Feno sonic electric toothbrush for adults adapts to your needs. Custom Comfort with TrueFit Mouthpiece With our Feno FitKit, scan your teeth and select your perfect fit from six options. The TrueFit Mouthpiece ensures maximum coverage and even pressure, making it ideal for sonic brushing efficiency and comfort. Complete Smart Brushing System on this battery operated toothbrush This starter kit includes 1 bottle of Feno Foam Toothpaste, no fluoride, formulated for deep-cleaning support, fresh breath, and optimal plaque removal. Designed to work with Feno’s oscillating bristles, it elevates your oral care results. Travel-Friendly & Rechargeable The Feno toothbrush has a U shape, is cordless, rechargeable toothbrush with up to 7 days of battery life. Lightweight and compact, it’s the perfect electric travel toothbrush for home or on-the-go use. Why Feno cepillo eléctrico para dientes? Feno sonic tooth brush isn’t just an electric toothbrush—it’s an advanced, AI-enhanced oral care system that delivers faster results with less effort. A smarter way to brush for modern lifestyles.

Options Available

Style

  • Elite Oral Health
  • Founders Edition Plus
  • Starter Kit
Browse all available options

Important Information

Safety Information

Choking hazard: Keep out of reach of children under 3 years. Do not use this product for purposes other than oral hygiene. This product involves handling sensitive personal data, so please follow all instructions for safe and secure use. Replace the toothbrush head every 3 months or when the bristles become frayed, whichever comes first.

Legal Disclaimer

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

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