# Sonic toothbrush Philips DiamondClean Smart HX9917/88

**URL:** https://aio.lv/en/product--philips-hx991788--4579311
**Data updated:** 2025-12-02 07:40 (EET)
**Category:** Electric Toothbrushes
**Manufacturer:** Philips
**Manufacturer code:** HX9917/88
**EAN:** 8710103993858
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 203.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 168.17 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--philips-hx991788--4579311

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 16.07.2026 | free |
| Pickup points | 21.07.2026 | 1.89 EUR |
| Courier delivery to door | 21.07.2026 | 4.99 EUR |

## Summary description

The Philips DiamondClean Smart HX9917/88 is a sonic electric toothbrush designed for adults. It features five brushing modes: Daily care, Deep clean, Gum care, Sensitive, and Whitening. The built-in lithium-ion battery ensures long-lasting power, and the package includes one handle and two brush heads. This toothbrush is perfect for maintaining optimal oral hygiene with advanced technology.

## Long description

The DiamondClean Smart 9400 electric toothbrush delivers up to 20x more plaque removal in hard-to-reach areas compared with a manual toothbrush. It offers complete care for a healthier mouth with high-performance brush heads and Smart Sensor technology that provides personalised feedback and coaching.
Advantages
High-performance brush heads target plaque in difficult areas while cleaning tooth surfaces. Smart Sensor technology tracks brushing pressure and coverage, offering personalised guidance. Multiple cleaning modes and compatible brush heads support comprehensive oral care.
Key specifications
Model: DiamondClean Smart 9400
Plaque removal: up to 20x more in hard-to-reach areas vs manual toothbrush
Features: Smart Sensor technology for personalised feedback
Brush heads: high-performance heads for complete care
Use: electric rechargeable toothbrush
How to use
Attach a compatible brush head, apply toothpaste, and switch the toothbrush on. Move the brush slowly across each tooth surface, following the Smart Sensor guidance for pressure and coverage. Use the selected cleaning mode and brush for the recommended time, replacing brush heads as indicated by wear or manufacturer guidance.
Recommendations
For optimal results, use the DiamondClean Smart 9400 twice daily with fluoride toothpaste, change brush heads every three months or sooner if bristles are worn, and follow personalised tips provided by the Smart Sensor for improved brushing technique.

## Specifications

### Features

| Feature | Value |
|---|---|
| Backlight display | Yes |
| Product colour | White |
| Bluetooth | Yes |
| Purpose | Adult |
| Number of speeds | 3 |
| Adjustable speed | Yes |
| Teeth brushing modes | Daily care, Deep clean, Gum care, Sensitive, Whitening |
| Display type | LED |
| Toothbrush frequency (pulsations) | 62000 movements per minute |
| Number of teeth brushing modes | 5 |
| Integrated timer | Yes |
| Mobile app support | Yes |
| Pressure sensor | Yes |
| Toothbrush type | Sonic toothbrush |
| Detachable head | Yes |
| Brush shape | Oval |
| Timer duration modes | 2 min |

### Battery

| Feature | Value |
|---|---|
| Battery technology | Lithium-Ion (Li-Ion) |
| Rechargeable battery | Yes |
| Battery level indicator | Yes |

### Packaging content

| Feature | Value |
|---|---|
| Number of brush heads included | 2 |
| Travel case | Yes |
| Number of handles included | 1 pc(s) |
| Charger | Yes |
| Number of chargers | 1 |

### Power

| Feature | Value |
|---|---|
| Battery type | Built-in battery |
| Power source | Battery |
| Battery life (max) | 336 h |
| AC input frequency | 110-220 V |
| AC input voltage | 110–220  |

## FAQ

### How much does the Sonic toothbrush Philips DiamondClean Smart HX9917/88 cost, and is it available for purchase?

The price is 203.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 6 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 16.07.2026 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, Installment. All transactions are 100% secure and encrypted.

### Can Sonic toothbrush Philips DiamondClean Smart HX9917/88 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### 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, adjustable speed, integrated timer, teeth brushing modes, product colour, 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 DiamondClean Smart HX9917/88?

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/4579311/65525309_large.webp