# Sonic toothbrush Philips 4100 Series HX3681/54

**URL:** https://aio.lv/en/product--philips-hx368154--11088245
**Data updated:** 2025-12-03 20:33 (EET)
**Category:** Electric Toothbrushes
**Manufacturer:** Philips
**Manufacturer code:** HX3681/54
**EAN:** 8720689022590
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 55.49 €
**Prices and availability valid until:** 2026-08-21 23:59
**Price without VAT (21%):** 45.86 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--philips-hx368154--11088245

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 30.07.2026 | 1.79 EUR |
| Courier delivery to door | 30.07.2026 | 4.99 EUR |

## Summary description

The Philips 4100 Series HX3681/54 Sonic electric toothbrush is designed for children, featuring daily care and sensitive brushing modes. It operates on a built-in lithium-ion battery, ensuring convenience and longevity. This toothbrush includes one handle and one brush head, making it an ideal choice for effective oral hygiene.

## Long description

Goodbye manual toothbrush. Hello Sonicare. The Philips Sonicare toothbrush uses sonic technology and dynamic brush motion to gently remove surface stains and help whiten teeth with each brushing. Designed as an electric replacement for manual brushing, it delivers high-frequency vibrations that reach between teeth and along the gumline to support a cleaner, brighter smile.
Advantages
Sonic technology combined with targeted brush action provides consistent stain removal without aggressive scrubbing. The gentle yet effective motion is suitable for daily use and helps improve overall oral hygiene by accessing hard-to-reach areas. The design aims to make teeth appear naturally whiter over time with regular use.
Key specifications
Technology: Sonic (high-frequency vibrations)
Purpose: Removes surface stains and helps whiten teeth
Use: Electric toothbrush — replacement for manual brushing
How to use
Apply toothpaste to the brush head, place the brush against your teeth at a slight angle, and move it slowly across each tooth surface allowing the sonic vibrations to do the cleaning. Brush for the dentist-recommended two minutes, covering all quadrants of the mouth. Rinse the brush head and store it in a dry place after use.
Recommendations
For best results, use the Sonicare toothbrush twice daily and replace brush heads every three months or sooner if bristles become worn.

## Specifications

### Features

| Feature | Value |
|---|---|
| Product colour | Black |
| Purpose | Child |
| Number of speeds | 2 |
| Adjustable speed | Yes |
| Teeth brushing modes | Sensitive, Daily care |
| Brush change indicator | Yes |
| Number of teeth brushing modes | 2 |
| Integrated timer | Yes |
| Mobile app support | No |
| Toothbrush type | Sonic toothbrush |
| Timer duration modes | 4 x 30 sec, 2 min |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Power source | Battery |
| Battery life (max) | 336 h |
| Rechargeable | Yes |

### Packaging content

| Feature | Value |
|---|---|
| Number of brush heads included | 1 |
| Number of handles included | 1 pc(s) |
| Charger | Yes |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |

## FAQ

### How much does the Sonic toothbrush Philips 4100 Series HX3681/54 cost, and is it available for purchase?

The price is 55.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Philips products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Philips service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: power source, integrated timer, adjustable speed, product colour, teeth brushing modes, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Sonic toothbrush Philips 4100 Series HX3681/54?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11088245/61761547_large.webp