# Philips HX3671

- Name: Philips Sonicare 3100 Series HX3671 / フィリップス ソニッケアー 3100シリーズ HX3671 / 飞利浦 Sonicare 3100 系列 HX3671
- Brand: Philips / フィリップス
- Category: Electric Toothbrush
- Version: Worldwide voltage (TBD)
- Page: https://bestjapanbuy.com/en/p/philips-hx3671/
- Updated: 2026-10-23

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.

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

## Price in Japan

- Japan reference price incl. tax (Lowest online price, shipping not included): JP¥6,270
- Tax-free / after refund: JP¥5,700
- Flights: OK on the plane

## Will it work? (by destination)

| Destination | Result | Notes |
| --- | --- | --- |
| Mainland China | ✓ Works as is | — |
| Hong Kong | ✓ Works as is | — |
| Macao | ✓ Works as is | — |
| Taiwan | ✓ Works as is | — |
| Singapore | ✓ Works as is | — |
| South Korea | ✓ Works as is | — |
| United States | ✓ Works as is | — |
| Thailand | ✓ Works as is | — |
| Malaysia | ✓ Works as is | — |
| Philippines | ✓ Works as is | — |
| Vietnam | ✓ Works as is | — |
| Indonesia | ✓ Works as is | — |
| India | ✓ Works as is | — |
| Australia | ✓ Works as is | — |
| New Zealand | ✓ Works as is | — |
| Canada | ✓ Works as is | — |
| United Kingdom | ✓ Works as is | — |
| Germany | ✓ Works as is | — |
| France | ✓ Works as is | — |
| Italy | ✓ Works as is | — |
| Spain | ✓ Works as is | — |

## Specs

| Item | Value |
| --- | --- |
| Brand | Philips / フィリップス |
| Model | HX3671 |
| Version | Worldwide voltage |
| Voltage | TBD |
| Frequency | TBD |
| Plug | TBD |
| Power | TBD |
| Battery | Lithium-ion |
| Released | 2021 |
| Drive type | Sonic vibration |
| Charging | USB charging (charger not included) |
| Cleaning modes | 1modes |
| Battery runtime | TBD |
| Weight | 97g |
| Panel language | TBD |

## Reviews

Third-party rating 4.07/5 (30), source: Kakaku.com (not our 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

## Frequently asked questions

### Can I use the Philips HX3671 outside Japan?

Of the 21 destinations we check, it works as is in all 21.

### 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.


## Sources

- Specs: [Philips official site](https://www.philips.co.jp/c-p/HX3671_33)
- Specs: [Kakaku.com specifications page](https://kakaku.com/item/K0001397358/spec/)
- Japan price: [Kakaku.com](https://kakaku.com/item/K0001397358/) (2026-10-23)
- Rating: [Kakaku.com](https://review.kakaku.com/review/K0001397358/) (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.