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Philips HX9992 Ad#Electric Toothbrush · Worldwide voltage★4.07JP¥41,000 Philips HX9992 Worldwide
The math
Japan price incl. taxJP¥41,000
Tax-free price (paid in store)JP¥37,273
In USD≈ US$238
 Japan consumption tax 10% (food 8%)
Power & flights
Voltage100–240V
PlugType A plug
Frequency50/60Hz
FlightsOK on the plane
 Country-by-country results below
Kakaku.com rating ★ 4.07
Pros: Shorter and lighter than the previous model, easier to hold
Pros: Seamless touch button doesn't trap grime
Pros: Pairing with a phone is easy
Cons: Replacement heads are expensive
Cons: Detailed settings can only be changed in the app
 Pros and cons summarized by us from public reviews

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Philips Sonicare 9900 Prestige HX9992

フィリップス ソニッケアー 9900 プレステージ HX9992 · Worldwide voltage

Price JP¥41,000 · tax-free JP¥37,273
Voltage 100–240V · Type A plug
Source Kakaku.com · 10-23
Electric Toothbrush

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥41,000 (incl. tax); of the 21 destinations we check, it works as is in 7 and needs an accessory (plug adapter or transformer) in 14.

Philips's flagship, shorter and lighter than its predecessor, with app connectivity and 100–240V worldwide voltage.

BestJapanBuyData updated 2026-10-23 · sources at the end

Lowest online price (incl. tax) JP¥41,000 (shipping not included). At a tax-free shop you pay the tax-free price JP¥37,273 at the register (≈ US$238). How the new tax-free refund works ›

100–240V, Type A plug, 50/60Hz. Will it work in your country? →

Flights: OK on the plane. Built-in lithium battery (≤100Wh): OK in carry-on; better not to check it, and power it off if checked

Kakaku.com rating ★ 4.07/5 (15 reviews), not our own rating.

Pros: Shorter and lighter than the previous model, easier to hold; Seamless touch button doesn't trap grime; Pairing with a phone is easy

Cons: Replacement heads are expensive; Detailed settings can only be changed in the app; Included travel case feels cheaply made

Good for: People who want the flagship experience and don't mind using an app | Not for: Those on a budget

Sold at major electronics stores in Japan (Bic Camera, Yodobashi Camera and others); check stock before you go. Find the nearest store.

  • #JapanShopping
  • #JapanElectricToothbrush
  • #Philips
  • #WorldwideVoltage
  • #TaxFreeJapan

Edited 2026-10-23 · prices for reference only · names: Philips Sonicare 9900 Prestige HX9992 / フィリップス ソニッケアー 9900 プレステージ HX9992

Japan price and tax refund

Price in Japan

Lowest online price
JP¥41,000–49,879
Tax-free price
JP¥37,273
In USD (reference)
≈ US$238

Japan price: Kakaku.com, 2026-10-23 (shipping not included)
USD rate JP¥1 = US$0.006377 (2026-10-23) · Prices are for reference only; check in store.

How tax-free shopping works

Until Oct 31, 2026: show your passport at a tax-free shop and pay the tax-free price at the register (at least JP¥5,000 excl. tax per store per day).

Calculate the refund · New tax-free rules explained

Specs

BrandPhilips / フィリップス
ModelHX9992
VersionWorldwide voltage
Voltage100–240V
Frequency50/60Hz
PlugType A
PowerTBD
BatteryLithium-ion
Released2021
Drive typeSonic vibration
ChargingCharging stand / AC charger
Cleaning modes6modes
Battery runtime48min
Weight116g
Panel languageTBD

Spec sources: Philips official site, Kakaku.com specifications page

Will it work in your country?

Based on each country's standard voltage, frequency and outlet types. Pick your country to put it at the top.

Country / regionResultWhat to know
Mainland China220V · 50Hz · Type A/I Works as is The voltage range covers the local voltage; you can use it directly
Hong Kong220V · 50Hz · Type G Needs an accessory Different plug shape; you need a plug adapter
Macao220V · 50Hz · Type G/D Needs an accessory Different plug shape; you need a plug adapter
Taiwan110V · 60Hz · Type A/B Works as is The voltage range covers the local voltage; you can use it directly
Singapore230V · 50Hz · Type G Needs an accessory Different plug shape; you need a plug adapter
South Korea220V · 60Hz · Type C/F Needs an accessory Different plug shape; you need a plug adapter
United States120V · 60Hz · Type A/B Works as is The voltage range covers the local voltage; you can use it directly
Thailand220V · 50Hz · Type A/B Works as is The voltage range covers the local voltage; you can use it directly
Malaysia240V · 50Hz · Type G Needs an accessory Different plug shape; you need a plug adapter
Philippines220V · 60Hz · Type A/B Works as is The voltage range covers the local voltage; you can use it directly
Vietnam220V · 50Hz · Type A Works as is The voltage range covers the local voltage; you can use it directly
Indonesia230V · 50Hz · Type C/F Needs an accessory Different plug shape; you need a plug adapter
India230V · 50Hz · Type C/D/M Needs an accessory Different plug shape; you need a plug adapter
Australia230V · 50Hz · Type I Needs an accessory Different plug shape; you need a plug adapter
New Zealand230V · 50Hz · Type I Needs an accessory Different plug shape; you need a plug adapter
Canada120V · 60Hz · Type A/B Works as is The voltage range covers the local voltage; you can use it directly
United Kingdom230V · 50Hz · Type G Needs an accessory Different plug shape; you need a plug adapter
Germany230V · 50Hz · Type C/F Needs an accessory Different plug shape; you need a plug adapter
France230V · 50Hz · Type C/E Needs an accessory Different plug shape; you need a plug adapter
Italy230V · 50Hz · Type C/F/L Needs an accessory Different plug shape; you need a plug adapter
Spain230V · 50Hz · Type C/F Needs an accessory Different plug shape; you need a plug adapter

Flights (all destinations): OK on the plane: Built-in lithium battery (≤100Wh): OK in carry-on; better not to check it, and power it off if checked

This model: 100–240V. Results follow published standards; some buildings or hotels may differ.

Overseas vs Japan-only model

No counterpart model listed yet.

Reviews

Third-party rating: 4.07 / 5 (15 reviews)
Rating source: Kakaku.com, 2026-10-23
The rating comes from a third-party site and is not our own. Pros and cons are our summary of public reviews.

Pros

  • Shorter and lighter than the previous model, easier to hold
  • Seamless touch button doesn't trap grime
  • Pairing with a phone is easy

Cons

  • Replacement heads are expensive
  • Detailed settings can only be changed in the app
  • Included travel case feels cheaply made

Where to buy

In Japan

Sold at major electronics stores in Japan (Bic Camera, Yodobashi Camera and others); check stock before you go.

Find the nearest store

Japanese phrases to show staff · Checkout checklist · Calculate the price after refund

Frequently asked questions

Can I use the Philips HX9992 outside Japan?

The Philips HX9992 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. See the table "Will it work in your country?" on this page for each country and region.

How much is the Philips HX9992 in Japan tax-free?

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥41,000 including tax. Tax-free or after the refund it is JP¥37,273. 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 Philips HX9992 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.

Related Q&A

Sources

Updated 2026-10-23Prices are for reference only; check in store.MarkdownJSON