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Philips HX3671 Ad#Electric Toothbrush · Worldwide voltage★4.07JP¥6,270 Philips HX3671 Worldwide
The math
Japan price incl. taxJP¥6,270
Tax-free price (paid in store)JP¥5,700
In USD≈ US$36
 Japan consumption tax 10% (food 8%)
Power & flights
VoltageTBD
PlugTBD
FrequencyTBD
FlightsOK on the plane
 Country-by-country results below
Kakaku.com rating ★ 4.07
Pros: Very light and slim
Pros: Has a pressure sensor
Pros: Still working fine after several years
Cons: Weaker than high-end models
Cons: Comes with only a USB cable, no charger
 Pros and cons summarized by us from public reviews

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Philips Sonicare 3100 Series HX3671

フィリップス ソニッケアー 3100シリーズ HX3671 · Worldwide voltage

Price JP¥6,270 · tax-free JP¥5,700
Voltage TBD
Source Kakaku.com · 10-23
Electric Toothbrush

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥6,270 (incl. tax); of the 21 destinations we check, it works as is in all 21.

Philips entry model with DC 5V USB charging. No charger included; any USB charger will work.

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

Lowest online price (incl. tax) JP¥6,270 (shipping not included). At a tax-free shop you pay the tax-free price JP¥5,700 at the register (≈ US$36). How the new tax-free refund works ›

TBD, Type TBD plug, TBDHz. 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 (30 reviews), not our own rating.

Pros: Very light and slim; Has a pressure sensor; Still working fine after several years

Cons: Weaker than high-end models; Comes with only a USB cable, no charger

Good for: First-time electric toothbrush users who want something light | Not for: Those who want strong power and multiple modes

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
  • #USBCharging
  • #TaxFreeJapan

Edited 2026-10-23 · prices for reference only · names: Philips Sonicare 3100 Series HX3671 / フィリップス ソニッケアー 3100シリーズ HX3671

Japan price and tax refund

Price in Japan

Lowest online price
JP¥6,270–7,780
Tax-free price
JP¥5,700
In USD (reference)
≈ US$36

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
ModelHX3671
VersionWorldwide voltage
VoltageTBD
FrequencyTBD
PlugTBD
PowerTBD
BatteryLithium-ion
Released2021
Drive typeSonic vibration
ChargingUSB charging (charger not included)
Cleaning modes1modes
Battery runtimeTBD
Weight97g
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 USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Hong Kong220V · 50Hz · Type G Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Macao220V · 50Hz · Type G/D Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Taiwan110V · 60Hz · Type A/B Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Singapore230V · 50Hz · Type G Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
South Korea220V · 60Hz · Type C/F Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
United States120V · 60Hz · Type A/B Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Thailand220V · 50Hz · Type A/B Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Malaysia240V · 50Hz · Type G Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Philippines220V · 60Hz · Type A/B Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Vietnam220V · 50Hz · Type A Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Indonesia230V · 50Hz · Type C/F Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
India230V · 50Hz · Type C/D/M Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Australia230V · 50Hz · Type I Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
New Zealand230V · 50Hz · Type I Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Canada120V · 60Hz · Type A/B Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
United Kingdom230V · 50Hz · Type G Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Germany230V · 50Hz · Type C/F Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
France230V · 50Hz · Type C/E Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Italy230V · 50Hz · Type C/F/L Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter
Spain230V · 50Hz · Type C/F Works as is USB-powered: charge it with any USB charger or computer at your destination; voltage doesn't matter

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: TBD. 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 (30 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

  • Very light and slim
  • Has a pressure sensor
  • Still working fine after several years

Cons

  • Weaker than high-end models
  • Comes with only a USB cable, no charger

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 HX3671 outside Japan?

Of the 21 destinations we check, it works as is in all 21. See the table "Will it work in your country?" on this page for each country and region.

How much is the Philips HX3671 in Japan tax-free?

As of 2026-10-23, the lowest online price on Kakaku.com is JP¥6,270 including tax. Tax-free or after the refund it is JP¥5,700. 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 HX3671 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