---
product_id: 283115963
title: "Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Black Onyx"
brand: "oral-b"
price: "¥2521"
currency: JPY
in_stock: false
url: https://www.desertcart.jp/products/283115963-oral-b-io-series-9-electric-toothbrush-with-4-brush
store_origin: JP
region: Japan
---

# Micro-vibrations for deep clean Interactive display with live coaching Smart pressure sensor signals brushing force Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Black Onyx

**Brand:** oral-b
**Price:** ¥2521
**Availability:** ❌ Out of Stock

## Summary

> 🦷 Elevate your smile game with tech that cleans smarter, not harder!

## Quick Answers

- **What is this?** Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Black Onyx by oral-b
- **How much does it cost?** ¥2521 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/283115963-oral-b-io-series-9-electric-toothbrush-with-4-brush)

## Best For

- oral-b enthusiasts

## Why This Product

- Trusted oral-b brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Travel-Ready Power:** Includes a sleek charging travel case so your oral care stays flawless on the go.
- • **Smart Pressure Sensor:** Visual alerts protect your gums by signaling when you brush too hard or just right.
- • **AI-Powered Live Coaching:** Real-time feedback and a visible timer ensure you never miss a spot or overbrush.
- • **Dentist-Level Clean Every Day:** Redesigned round brush head with twisted bristles reaches every contour for a sensational deep clean.
- • **Personalized Brushing Experience:** Customizable settings and an interactive display motivate you to perfect your oral care routine.

## Overview

The Oral-B iO Series 9 Electric Toothbrush in Black Onyx combines advanced micro-vibration technology with a dentist-inspired round brush head and AI-powered live coaching. Featuring a smart pressure sensor and customizable display, it ensures a professional-level clean while protecting gums. Comes with 4 Ultimate Clean replacement heads and a travel charging case for convenience and superior oral care anytime, anywhere.

## Description

Product Description               The Oral B io series rechargeable toothbrush combines powerful, but gentle micro-vibrations with Oral B unique dentist-inspired round brush head design for a professional clean feeling every day. The smart pressure sensor helps to keep you from brushing too hard to protect your gums and enamel.                  Safety Warning               Attention: use only Oral-B iO refill heads. Brushing too hard can damage your gums and enamel. Always follow the instructions for use.

## Features

- COMPATIBLE ONLY WITH Oral-B iO REFILL HEADS
- You Will Receive 1 Oral-B iO Series 9 Black Onyx electric toothbrush, 4 Oral-B iO Ultimate Clean replacement brush heads, and a powerful charging travel case
- PERFECT PRESSURE: Signals red when brushing too hard and green when brushing just right
- PERSONALIZED BRUSHING: Display screen helps motivate you and enables you to customize your brushing experience
- SENSATIONAL CLEAN: Redesigned dentist-inspired round brush head with twisted bristles reach every contour for a deep cleanLIVE COACHING with VISIBLE TIMER: A.I.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | AmazonUs/PRFZ7 |
| Package dimensions | 25.6 x 17.8 x 10.6 centimetres |
| Package Weight | 0.69 Kilograms |
| Item dimensions L x W x H | 17.8 x 10 x 25.3 centimetres |
| Item weight | 630 g |
| Brand | Oral-B |
| Colour | Black |
| Format | ROUND |
| Special features | Timer for the hanger |
| Target audience | Unisex-Adults |
| Item model number | iO M9.4B2.2A |
| Product Dimensions | 17.81 x 10.01 x 25.3 cm; 630.49 g |
| ASIN | B088CK6XJ4 |

## Product Details

- **Brand:** Oral-B
- **Age range (description):** Adult
- **Special feature:** Timer for the hanger
- **Power source:** Battery Powered
- **Item firmness description:** Hard
- **Colour:** Black
- **Material feature:** Sustainable
- **Number of items:** 1
- **Toothbrush Head Shape:** Round
- **Unit count:** 1 count

## Images

![Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Black Onyx - Image 1](https://m.media-amazon.com/images/I/81hKHzFrZ9L.jpg)
![Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Black Onyx - Image 2](https://m.media-amazon.com/images/I/61FcLv+QZdL.jpg)
![Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Black Onyx - Image 3](https://m.media-amazon.com/images/I/61mKspVQEaL.jpg)
![Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Black Onyx - Image 4](https://m.media-amazon.com/images/I/61crxQiFspL.jpg)
![Oral-B iO Series 9 Electric Toothbrush with 4 Brush Heads, Black Onyx - Image 5](https://m.media-amazon.com/images/I/611l1Gz+ncL.jpg)

## Available Options

This product comes in different **Colour Name, Style Name** options.

## Questions & Answers

**Q: Anyone else’s inaccurate? app says i’m brushing one side of my mouth when i’m actually brushing the other. for a $300 toothbrush this is unacceptable**
A: Remember to run it across your teeth gradually, not brush like with a manual toothbrush. That should help with the accuracy. The toothbrush has a sensor in it for which angle it's in and how your holding it.

**Q: What is the specific difference among iO 7, 8, 9 series ?**
A: We'd be happy to point out some key differences among our iO 7, 8, and 9 Series toothbrushes.

-iO Series 7: 5 Smart Modes for personalized brushing, interactive black & white display for real-time coaching, 6 zones of brushing recognition, Gum Guard, AI recognition using an interactive display. 

-iO Series 8: 6 Smart Modes for personalized brushing, interactive color display for real-time coaching, 6 zones of brushing recognition, Gum Guard, AI recognition using an interactive display. 

-iO Series 9: 7 Smart Modes for personalized brushing, interactive color display for real-time coaching, 16 zones of brushing recognition, Gum Guard HD, AI tracking with 3D Teeth Tracking. 

The Oral-B Team

**Q: Can you use this brush on teeth with veneers**
A: Yes, all Oral-B electric and battery power toothbrushes can be used by those with bridges, implants, crowns, veneers, or fillings. However, we recommend using a slower cleaning mode for even better control. - The Oral-B Team

**Q: will the charger work for 220v ac outlet?**
A: Yes, the charger will work for a 110 volt and up to a 220 volt outlet.  So, yes it's safe and ready for your European road trip!

## Frequently Bought Together

- Oral-B iO Series 9 Electric Toothbrush with 3 Replacement Brush Heads, Black Onyx
- Oral-B iO Series Ultimate Clean Electric Toothbrush Replacement Brush Heads for an Oral-B Electric Toothbrush, 4 count, Black
- Oral-B iO Series Gentle Care Electric Toothbrush Replacement Brush Heads for an Oral-B Electric Toothbrush, 4 Count, Black

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-26*