# Oral-B iO5

- Name: Oral-B iO5 / ブラウン オーラルB iO5 / 欧乐B iO5 电动牙刷（日本版 100V）
- Brand: Oral-B / ブラウン オーラルB
- Category: Electric Toothbrush
- Version: Japan-only model (100–110V, Type A plug)
- Page: https://bestjapanbuy.com/en/p/oral-b-io5/
- Updated: 2026-10-24

As of 2026-10-24, the lowest online price on Kakaku.com is JP¥16,868 (incl. tax); of the 21 destinations we check, it works as is in 1, needs an accessory (plug adapter or transformer) in 2 and will not work in 18.

Mid-range Oral-B iO with a charger and travel case. The Japanese charger is rated AC 100–110V, not 100–240V.

- Good for: TBD

## Price in Japan

- Japan reference price incl. tax (Lowest online price, shipping not included): JP¥16,868
- Tax-free / after refund: JP¥15,335
- Flights: TBD

## Will it work? (by destination)

| Destination | Result | Notes |
| --- | --- | --- |
| Mainland China | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances |
| Hong Kong | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| Macao | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| Taiwan | ✓ Works as is | — |
| Singapore | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| South Korea | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| United States | △ Needs an accessory | Most Japanese 100V appliances work in 110–120V regions, but heating appliances may run hot; a step-down transformer is recommended |
| Thailand | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances |
| Malaysia | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| Philippines | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances |
| Vietnam | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances |
| Indonesia | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| India | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| Australia | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| New Zealand | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| Canada | △ Needs an accessory | Most Japanese 100V appliances work in 110–120V regions, but heating appliances may run hot; a step-down transformer is recommended |
| United Kingdom | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| Germany | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| France | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| Italy | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |
| Spain | ✗ Will not work | Voltage not compatible: the rated voltage doesn't cover the local voltage (e.g. a Japan-only 100V model on 200–240V will burn out); transformers are not recommended for high-wattage appliances; Different plug shape; you need a plug adapter |

## Specs

| Item | Value |
| --- | --- |
| Brand | Oral-B / ブラウン オーラルB |
| Model | iO5 |
| Version | Japan-only model |
| Voltage | 100–110V |
| Frequency | 50/60Hz |
| Plug | Type A |
| Power | TBD |
| Battery | null |
| Released | 2022 |
| Drive type | Round rotating head |
| Charging | Charging stand / AC charger |
| Cleaning modes | TBD |
| Battery runtime | TBD |
| Weight | 127g |
| Panel language | TBD |

## Reviews

Third-party rating 4.08/5 (8), source: Kakaku.com (not our rating).

Pros:

- Teeth feel smooth and clean after brushing
- Intensity changes with a button press; easy to use without the manual

Cons:

- Battery rated well below the class average; a full charge from empty takes about 16 hours
- Fairly loud
- Replacement brush heads are expensive

## Frequently asked questions

### Can I use the Oral-B iO5 outside Japan?

The Oral-B iO5 is 100–110V with a Type A plug. Of the 21 destinations we check, it works as is in 1, needs an accessory (plug adapter or transformer) in 2 and will not work in 18.

### How much is the Oral-B iO5 in Japan tax-free?

As of 2026-10-24, the lowest online price on Kakaku.com is JP¥16,868 including tax. Tax-free or after the refund it is JP¥15,335. 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 iO5 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 (2026-10-24); prices in store may differ.


## Sources

- Specs: [Kakaku.com specifications page](https://kakaku.com/item/K0001473001/spec/)
- Specs: [Rakuten Ichiba: Joshin web (product page specifications)](https://item.rakuten.co.jp/jism/4210201442233-23-5907-n/)
- Specs: [Rakuten Ichiba: Denkichi Web (product page specifications)](https://item.rakuten.co.jp/denkichiweb/4210201442233/)
- Japan price: [Kakaku.com](https://kakaku.com/item/K0001473001/) (2026-10-24)
- Rating: [Kakaku.com](https://review.kakaku.com/review/K0001473001/) (2026-10-24)

> 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.