Oral-B iO Series 9 Rechargeable Electric Toothbrush – Black Onyx
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- 7 brushing modes, including Gum Care, Sensitive and Tongue Clean
- Interactive color display and Smart Pressure Sensor
- AI 3D Teeth Tracking through the Oral-B app over Bluetooth
- Includes 4 iO Ultimate Clean brush heads and a Power2Go charging travel case
- Magnetic charger gives a full charge in about 3 hours
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About the Oral-B iO Series 9 Rechargeable Electric Toothbrush – Black Onyx
The Oral-B iO Series 9 is a premium model in Oral-B's iO range of magnetic-drive electric toothbrushes, pairing a round, dentist-inspired brush head with smart feedback. Seven modes cover Daily Clean, Whiten, Gum Care, Sensitive, Super Sensitive, Intense Clean and Tongue Clean, and an interactive color display shows your mode, charge level and timer.
A Smart Pressure Sensor tells you whether you're brushing too hard, too softly or just right, and a built-in two-minute timer keeps each session on track. Connect it to the Oral-B app over Bluetooth and AI-powered 3D Teeth Tracking shows which areas you've covered; brushing data can also sync to Apple Health.
This Black Onyx set comes with four iO Ultimate Clean brush heads, a magnetic charger and a Power2Go charging travel case with cord. It suits anyone who wants detailed brushing feedback at home and an easy way to keep the brush charged while traveling.
What reviewers say
Reviewers rate the iO Series 9's cleaning very highly and like its smoother, quieter magnetic drive, color display and clear pressure-sensor feedback. The main drawbacks are the price and the cost of iO-only replacement heads, app mouth tracking that testers found inconsistent, and battery life that Electric Teeth found a little short of Oral-B's claim.
Pros
- Excellent cleaning performance
- Quieter than older Oral-B oscillating brushes
- Helpful pressure sensor and color display
- Charging travel case included
Cons
- Expensive, and iO-only replacement heads add ongoing cost
- App's mouth tracking can be hit-and-miss
- Battery life can fall short of the claimed figure
Our summary of professional and shopper reviews published elsewhere (TechRadar, Trusted Reviews, Tech Advisor, Live Science and Electric Teeth), as of Oct 10, 2026. These are not reviews of PAPA YES.
Key specs
| Brand | Oral-B |
|---|---|
| Brand | Oral-B |
| Model | iO Series 9 |
| Color | Black Onyx |
| Brushing modes | 7 (Daily Clean, Whiten, Gum Care, Sensitive, Super Sensitive, Intense Clean, Tongue Clean) |
| Display | Interactive color display |
| Pressure sensor | Smart Pressure Sensor |
| Timer | 2-minute timer |
| Connectivity | Bluetooth, Oral-B app with AI 3D Teeth Tracking |
| Battery | Rechargeable lithium-ion |
| Charge time | About 3 hours (magnetic charger) |
| In the box | Handle, 4 iO Ultimate Clean brush heads, Power2Go charging travel case with cord, magnetic charger |
| Length | 9.25 in with brush head |
| Weight | 4.4 oz with brush head |
| Warranty | 2 years |
| Category | Beauty & Personal Care |
| Term | 52 weekly payments |
| Weekly payment | $8.88 |
| Total cost | $462.24 in store credit |
| Availability | In stock |
| SKU | oral-b-io9-limited-ultimate-clean-electr-bff88c |
