# Oral-B iO9

- Name: Oral-B iO9 / ブラウン オーラルB iO9 / 欧乐B iO9 电动牙刷
- Brand: Oral-B / ブラウン オーラルB
- Category: Electric Toothbrush
- Version: Worldwide voltage (100–240V, Type A plug)
- Page: https://bestjapanbuy.com/en/p/oral-b-io9/
- Updated: 2026-10-23

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥33,799 (incl. tax); of the 21 destinations we check, it works as is in 7 and needs an accessory (plug adapter or transformer) in 14.

High-end iO with a rechargeable travel case (officially rated AC 100–240V for overseas use).

- Good for: Frequent travelers who want a flagship oscillating brush
- Not for: Those on a budget

## Price in Japan

- Japan reference price incl. tax (Lowest online price, shipping not included): JP¥33,799
- Tax-free / after refund: JP¥30,726
- Flights: OK on the plane

## Will it work? (by destination)

| Destination | Result | Notes |
| --- | --- | --- |
| Mainland China | ✓ Works as is | — |
| Hong Kong | △ Needs an accessory | Different plug shape; you need a plug adapter |
| Macao | △ Needs an accessory | Different plug shape; you need a plug adapter |
| Taiwan | ✓ Works as is | — |
| Singapore | △ Needs an accessory | Different plug shape; you need a plug adapter |
| South Korea | △ Needs an accessory | Different plug shape; you need a plug adapter |
| United States | ✓ Works as is | — |
| Thailand | ✓ Works as is | — |
| Malaysia | △ Needs an accessory | Different plug shape; you need a plug adapter |
| Philippines | ✓ Works as is | — |
| Vietnam | ✓ Works as is | — |
| Indonesia | △ Needs an accessory | Different plug shape; you need a plug adapter |
| India | △ Needs an accessory | Different plug shape; you need a plug adapter |
| Australia | △ Needs an accessory | Different plug shape; you need a plug adapter |
| New Zealand | △ Needs an accessory | Different plug shape; you need a plug adapter |
| Canada | ✓ Works as is | — |
| United Kingdom | △ Needs an accessory | Different plug shape; you need a plug adapter |
| Germany | △ Needs an accessory | Different plug shape; you need a plug adapter |
| France | △ Needs an accessory | Different plug shape; you need a plug adapter |
| Italy | △ Needs an accessory | Different plug shape; you need a plug adapter |
| Spain | △ Needs an accessory | Different plug shape; you need a plug adapter |

## Specs

| Item | Value |
| --- | --- |
| Brand | Oral-B / ブラウン オーラルB |
| Model | iO9 |
| Version | Worldwide voltage |
| Voltage | 100–240V |
| Frequency | 50/60Hz |
| Plug | Type A |
| Power | TBD |
| Battery | Lithium-ion |
| Released | 2024 |
| Drive type | Round rotating head |
| Charging | Charging stand / AC charger |
| Cleaning modes | 7modes |
| Battery runtime | TBD |
| Weight | TBD |
| Panel language | TBD |

## Reviews

TBD

## Frequently asked questions

### Can I use the Oral-B iO9 outside Japan?

The Oral-B iO9 is 100–240V with a Type A plug. Of the 21 destinations we check, it works as is in 7 and needs an accessory (plug adapter or transformer) in 14.

### How much is the Oral-B iO9 in Japan tax-free?

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥33,799 including tax. Tax-free or after the refund it is JP¥30,726. From Nov 1, 2026, you pay the tax-included price in store and get the tax refunded when you leave Japan (a fee may apply).

### Where can I buy the Oral-B iO9 in Japan?

Sold at major electronics stores in Japan (Bic Camera, Yodobashi Camera and others); check stock before you go. The price we list is from Kakaku.com (2026-10-23); prices in store may differ.


## Sources

- Specs: [Oral-B Japan official site](https://www.oralb.braun.co.jp/ja-jp/products/electric-toothbrushes/oral-b-io-series-9-electric-toothbrush)
- Specs: [Kakaku.com specifications page](https://kakaku.com/item/K0001660880/spec/)
- Japan price: [Kakaku.com](https://kakaku.com/item/K0001660880/) (2026-10-23)

> Data from BestJapanBuy (bestjapanbuy.com). Please credit and link to the page when using it. Prices are for reference only; check in store.
> Translated with AI; the Chinese version is authoritative.