Oral-B iO9 Black Onyx Electric Toothbrush
Advanced guidance for a more confident clean.
The Oral-B iO9 Black Onyx keeps timing, pressure and brush-head reminders in view, with multiple cleaning modes and optional app coaching to help you review brushing coverage. Oral-B states that the magnetic charger reaches a full charge in around three hours.
Compatibility: use Oral-B iO replacement heads only.
Why it works for your routine
Product guide
Start with the practical benefits, then explore the imagery, compatibility and clear answers that make choosing easier.
Explore the iO9 display, visible pressure guidance and fast magnetic charging.
At £169.99 against a £500 RRP, the Black Onyx iO9 puts Oral-B's premium iO technology within much easier reach. Its interactive colour display, visible pressure guidance and connected position tracking bring useful feedback to every brush.
Fast, familiar payment through secure Shopify checkout.
All UK orders are sent by Royal Mail Tracked 24 for £4.99, or free from £50. Order before 4pm for same-day dispatch.
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.
Features, fit and formula information in plain English.
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.
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.
The features, compatibility and pack contents that matter before you buy.
Scroll the table sideways to compare all details.
| Feature | This product | Why it stands out |
|---|---|---|
| Product type | Premium rechargeable electric toothbrush | Black Onyx finish |
| 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 |
Quick answers about fit, features and what is included.
Use Oral-B iO replacement heads only. Heads for Oral-B Pro, Vitality, Smart, Genius and Pulsonic toothbrushes are not designed for the iO9.
No. The iO9 works as a complete electric toothbrush on its own. The app adds optional connected guidance and position tracking.
Oral-B recommends replacing it every three months, or sooner if the bristles are worn.
Oral-B states that the magnetic charger provides a full charge in around three hours.