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Oral-B iO Series 4 Duo Black/White Magnetic Toothbrushes - Electric Toothbrush

Reviews Oral-B iO Series 4 Duo Black/White Magnetic Toothbrushes

Interested in reviews of Oral-B iO Series 4 Duo Black/White Magnetic Toothbrushes? It got 4.8 out of 5 stars from our customers. Find specific customer reviews of Oral-B iO Series 4 Duo Black/White Magnetic Toothbrushes below. We will appreciate if you also share your experiences with Oral-B iO Series 4 Duo Black/White Magnetic Toothbrushes after purchasing.

User Reviews

Michal, Praha 9flag
Rated 16/12/2023, variant Oral-B iO Series 4 Duo Black/White Magnetic Toothbrushes
Verified purchase
when choosing a new toothbrush I was guided by the Dtest result and I did the right thing! a great choice for the money, and a distraction app that I have yet to get to know: )
Pressure sensor
battery lasts long
price-performance ratio
nothing so far
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Anonymous customerflag
Rated 13/12/2023, variant Oral-B iO Series 4 Duo Black/White Magnetic Toothbrushes
Verified purchase
Silent mode
Long battery life
Design
Great app on your phone
Takes a long time to charge
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Anonymous customerflag
Rated 27/11/2023, variant Oral-B iO Series 4 Duo Black/White Magnetic Toothbrushes
Verified purchase
Bought for my parents, they have been using it for a short time but are happy. They used a regular toothbrush. The cleaning levels are sufficient for them and I appreciate the indication of pressure during cleaning.
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Daniel, Mladé Bukyflag
Rated 07/12/2025, variant Oral-B iO Series 4 Black Magnetic Toothbrush
Verified purchase
Everything works, it has proven itself to me well.
long battery life
elegant
proven brand
you need to have the app running on your mobile if you need to see the current mode
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Kateřina, Roudnice nad Labemflag
Rated 26/11/2025, variant Oral-B iO Series 4 Black Magnetic Toothbrush
Verified purchase
with app nice toy
nothing
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Matěj, Náchodflag
Rated 31/10/2025, variant Oral-B iO Series 4 Black Magnetic Toothbrush
Verified purchase
Super price.
Nothing.
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Jaroslav, Humpolecflag
Rated 24/10/2025, variant Oral-B iO Series 4 Black Magnetic Toothbrush
Verified purchase - review from a price comparison website
+++++
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Jakub, Moravský Krumlovflag
Rated 04/10/2025, variant Oral-B iO Series 4 Black Magnetic Toothbrush
Verified purchase
I use it daily and it's great, I recommend it to anyone thinking about an electric toothbrush, suitable as a first toothbrush but also for someone who has already had one. It has a choice for 3 types of head, the app on your mobile is clear and helps in controlling the brushing, at the same time the toothbrush has a pressure indicator on it, which is great to avoid any damage to the tooth or gums. I recommend it with all ten.
Quiet
Secure
Lasts about 14 days
Functional
A mobile app to help you keep better track of your oral hygiene
Long charging
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Jan, Bučoviceflag
Rated 03/10/2025, variant Oral-B iO Series 4 Black Magnetic Toothbrush
Verified purchase
If you're switching from a manual or older electric toothbrush, the Oral-B iO 4 is a big step forward. My previous ordinary electric toothbrush is not comparable to this model. Magnetic iO™ technology combined with oscillating-rotating motion and micro-vibrations provide a truly exceptional clean and polished feeling that is incomparable to conventional brushing. The toothbrush is comfortable in the hand, has a modern design and is significantly quieter compared to older Oral-B models. The biggest benefit I see in the Smart Ring, which signals the ideal pressure with a green colour and thus protects the gums from damage. The toothbrush can be connected to a smartphone app via Bluetooth. For the Series 4, the app primarily allows you to set the Smart Ring backlight colour. However, it should be mentioned that compared to the higher series, it cannot monitor the cleaning of individual teeth (oral mapping). Although it is the entry-level model in the iO series and has a few compromises, it offers excellent value for money and takes dental care to the next level.
The feeling of purity is the best I have ever experienced. The teeth are really smooth.
Pressure sensor - teaches you how not to push and hurt your gums.
Compared to the old Oral-B rotary, it's quiet.
Looks good and holds up great.
Slow charging - it takes forever (6-8 hours), so plan ahead.
Price of heads - replacement heads are not cheap
Vibration in the mouth - it's quite intense, some people get a "headache" sometimes (but you get used to it). Compared to a sonic toothbrush, I find it much more pleasant
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David, Uničovflag
Rated 20/09/2025, variant Oral-B iO Series 4 Black Magnetic Toothbrush
Verified purchase
Price
Multiple cleaning modes
Does not show the current mode
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