Black Onyx is available now. Rose Quartz, Sapphire Blue and White Alabaster are Coming Soon.
Chosen by the Onyx dentist team for the clear feedback it can bring to a brushing routine, the Oral-B iO9 keeps timing, pressure and brush-head reminders in view on its interactive colour display. Seven cleaning modes and optional app coaching can help you review coverage and build a more consistent routine.
Interactive colour display for timer, battery and brush-head reminders
Visible pressure guidance while you brush
Seven cleaning modes, including Sensitive and Whiten
Optional Oral-B app connection for coverage and timing feedback
Compatible with Oral-B iO replacement heads only
Choose your colour
Black Onyx is in stock. Rose Quartz, Sapphire Blue and White Alabaster are listed as Coming Soon so you can compare the range before launch. Final box contents will be confirmed before orders open.
These tools can support technique and consistency; they do not replace regular dental care or advice tailored to you. Any manufacturer warranty is in addition to your statutory rights.
Why it works for your routine
Pressure guidance
See when pressure is too hard, too soft or just right.
Optional app coaching
Review brushing coverage when you want more detailed guidance.
Fast magnetic charging
A full charge takes around three hours with the fast magnetic charger.
Dentist-selected oral care
Why this product earns its place
Explore the benefits, product details and practical answers that make it easy to choose with confidence.
Smart guidance across the iO9 colour range
See the colour display, visible pressure guidance and fast magnetic charging that make every brush easier to manage.
Interactive colour displayTiming, battery and brush-head reminders stay visible on the toothbrush.Pressure you can seeVisible guidance shows when pressure is too hard, too soft or just right.Made to travelFast magnetic charging and a charging travel case keep the iO9 ready at home or away.
Premium iO performance, with more colours coming soon.
Black Onyx is available now at £164.99. Rose Quartz, Sapphire Blue and White Alabaster are listed ahead of launch as Coming Soon. Across the range, the iO9's interactive colour display, visible pressure guidance and connected position tracking bring useful feedback to every brush.
Colour display shows timing, pressure, battery and brush-head reminders.
Visible guidance signals when pressure is too hard, too soft or just right.
Bluetooth connection adds optional Oral-B app guidance.
Why buy from Onyx
Secure Shopify checkout
Fast, familiar payment through secure Shopify checkout.
Royal Mail Tracked 24
All UK orders are sent by Royal Mail Tracked 24 for £4.99, or free from £50. Order before 4pm for same-day dispatch.
Selected by dentists
Handpicked by a private-dentist team with 100+ years of combined experience.
Unopened and unused products can be returned within 30 days. For hygiene reasons, opened or used products cannot be returned unless faulty. Any applicable manufacturer warranty is in addition to your statutory rights.
Why you'll love it
Benefits, formula and compatibility in clear, useful detail.
Smart feedback, right on the toothbrush
The interactive colour display keeps timing, pressure, battery status and brush-head reminders in view. Visible pressure guidance helps you recognise pressure that is too hard, too soft or just right.
iO-exclusive fit, optional app guidance
The iO9 is designed exclusively for Oral-B iO replacement heads. It works as a complete electric toothbrush on its own, while Bluetooth connection unlocks optional app guidance and position tracking.
Connected coaching, when you want itThe optional Oral-B app adds position guidance and keeps brush-head replacement timing in view.
At a glance
The benefits, compatibility and pack contents worth knowing before you buy.
Scroll the table sideways to compare all details.
Feature
This product
Why it stands out
Product type
Premium rechargeable electric toothbrush
Four iO9 colour choices
Compatible heads
Oral-B iO replacement heads only
Made for the current iO head family
Smart feedback
Colour display, visible pressure guidance and two-minute timer
Key information stays in view while you brush
Connected features
Bluetooth connection to the Oral-B app
Optional app guidance and position tracking
Good to know
Quick answers about fit, features and what is included.
Which replacement heads fit this toothbrush?
Use Oral-B iO replacement heads only. Heads for Oral-B Pro, Vitality, Smart, Genius and Pulsonic toothbrushes are not designed for the iO9.
Do I need the Oral-B app?
No. The iO9 works as a complete electric toothbrush on its own. The app adds optional connected guidance and position tracking.
How often should I change the brush head?
Replace it every three months, or sooner if the bristles are worn.
How long does a full charge take?
The fast magnetic charger provides a full charge in around three hours.
Best electric toothbrush for kids (UK): a dentist's guide by age, from toddlers to teens (2026)
What age to start, which brush suits a three- or six-year-old, the iO9 for teenagers, the hydroxyapatite toothpaste many parents ask us about, and Oral-B iO Kids vs Pro Kids.
Oral-B iO9 vs Philips Sonicare: which is better? A UK dentist compares the DiamondClean 9000 and Prestige 9900
How the iO9’s pressure feedback, display and modes compare with the DiamondClean 9000 and Prestige 9900, plus the cost of genuine Onyx replacement heads.
