# Oral-B iO2 - Name: Oral-B iO2 / ブラウン オーラルB iO2 / 欧乐B iO2 电动牙刷 - 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-io2/ - Updated: 2026-10-23 As of 2026-10-23, the lowest online price on Kakaku.com is JP¥7,207 (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. Entry model of the iO series with a round oscillating brush head. The Japanese charger is rated AC 100–110V only, so check your local voltage before using it elsewhere. - Good for: People using it in Japan who want to try an oscillating brush - Not for: Anyone who wants to use it directly on 220–240V power (the charger is not wide-voltage) ## Price in Japan - Japan reference price incl. tax (Lowest online price, shipping not included): JP¥7,207 - Tax-free / after refund: JP¥6,552 - Flights: OK on the plane ## 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 | iO2 | | Version | Japan-only model | | Voltage | 100–110V | | 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 | 3modes | | Battery runtime | TBD | | Weight | 117g | | Panel language | TBD | ## Reviews Third-party rating 4.17/5 (5), source: Kakaku.com (not our rating). Pros: - Small head reaches back teeth easily - Teeth feel very clean after brushing - Light and easy to use Cons: - Plaque can remain near the gumline; technique matters - Genuine brush heads are expensive ## Frequently asked questions ### Can I use the Oral-B iO2 outside Japan? The Oral-B iO2 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 iO2 in Japan tax-free? As of 2026-10-23, the lowest online price on Kakaku.com is JP¥7,207 including tax. Tax-free or after the refund it is JP¥6,552. 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 iO2 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: [Kakaku.com specifications page](https://kakaku.com/item/K0001660878/spec/) - Japan price: [Kakaku.com](https://kakaku.com/item/K0001660878/) (2026-10-23) - Rating: [Kakaku.com](https://review.kakaku.com/review/K0001660878/) (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.