£49.99
£70.00
28% Off
Philips 4100 series HX3689/41 Sonic electric toothbrush
Trustpilot Rated Excellent 3,500+ Reviews
Condition
- New Out of stock
- Used - Like New Out of stock
Condition details
Know what to expect
Each condition grade explains the item’s expected cosmetic appearance. Used items are checked and tested before dispatch.
Tested
Checked before dispatch
Warranty
12-month cover included
Clear grading
Simple condition guide
Condition guide
New
Brand-new item
A brand-new, unused, unopened item in its original packaging, never worn, used, or activated, with all original packaging intact.
Like New
Pristine condition
The item appears as if it has just come out of a retail box. There are no signs of wear, and all original protective materials are intact. The item may have been opened or used very minimally but retains its pristine condition, and all original accessories are included.
Very Good
Minimal wear
The item shows minimal wear from general use and is 100% operational and functions as intended. It may have minor cosmetic imperfections but performs well, and may be missing non-essential accessories.
Good
Noticeable wear
The item is fully operational and functions as intended, but has noticeable wear from previous use. It may have aesthetic imperfections such as scratches or dents, and may be missing non-essential accessories.
Fair
Fairly worn
The item is fairly worn but continues to work perfectly. Signs of wear can include aesthetic issues such as scratches, dents, and worn corners, and it may be missing non-essential accessories.
The Philips Sonicare 4100 Series (HX3689/41) electric toothbrush delivers a deep yet gentle clean that removes up to 7× more plaque than a manual toothbrush. Designed with Sonicare’s advanced sonic technology, it drives fluid between teeth and along the gumline for superior cleaning and healthier gums.
Featuring Smart Sensor technology, a built-in pressure sensor, and a 2-minute SmarTimer, the Philips Sonicare 4100 ensures you brush effectively and safely every time. With a sleek, ergonomic design and long-lasting battery life, it’s the perfect upgrade for better oral hygiene.
- Removes up to 7× more plaque than a manual toothbrush for improved oral health.
- Sonic cleaning technology – delivers up to 62,000 brush movements per minute for a deep yet gentle clean.
- Built-in pressure sensor – alerts you if you brush too hard to protect your gums and enamel.
- 2-minute SmarTimer & QuadPacer – encourages optimal brushing time and even cleaning across all areas of the mouth.
- Slim, lightweight design – comfortable to hold and easy to use, even for first-time electric toothbrush users.
- Long-lasting battery life – up to 2 weeks of use on a single charge.
- Easy-start program – gradually increases power over the first 14 uses for a comfortable transition from manual brushing.
- BrushSync™ reminder – notifies you when it’s time to replace the brush head for consistent performance.
- Travel-friendly – compact and durable, perfect for home or travel use.
The Philips Sonicare 4100 HX3689/41 combines advanced sonic cleaning power, intelligent protection features, and comfort-focused design to make every brushing session effective and effortless.
| Specification | Details |
|---|---|
| Model | Philips Sonicare 4100 Series HX3689/41 |
| Technology | Sonicare Sonic Cleaning |
| Movements per Minute | Up to 62,000 |
| Cleaning Modes | 1 (Clean) |
| Pressure Sensor | Yes (Vibration Feedback) |
| Timers | SmarTimer (2 min) + QuadPacer |
| Battery Type | Rechargeable Lithium-Ion |
| Battery Life | Up to 14 Days per Charge |
| Charging Time | Approx. 24 Hours |
| Brush Head Compatibility | All Philips Sonicare Snap-On Heads |
| BrushSync™ Technology | Yes (Brush Head Replacement Reminder) |
| Easy-Start Function | Yes |
| Handle Design | Slim Ergonomic Handle |
| Included in Box | 1 × Handle, 1 × Brush Head, 1 × USB Charging Base |
| Colour | White with Mint Accents |
Standard Delivery - £1.99 - 1–2 working days - (Free over £19.99)
Next Day Delivery - Free - Free on orders £49.99+
Express Delivery - £4.99 - (incl. Saturday)
Friday orders: Next-day delivery is not guaranteed.
For guaranteed Saturday delivery: choose Express (£4.99) (before 1pm).
Working days are Monday to Friday (excluding public holidays). Orders placed after 4pm on Friday are processed on Monday.
Postcode restrictionsNext-day delivery is mainland UK only and excludes:
Deliveries to these areas may take 3–5 working days.
We offer a 30-day money-back guarantee on items returned in the same condition they were received.
If the product was supplied sealed, it must be returned sealed and unused to qualify for the money-back guarantee.
Opened items may still be returned, however the 30-day money-back guarantee will not apply.
For full details, please see our Returns Policy.
A brand-new, unused, unopened item in its original packaging, never worn, used, or activated, with all original packaging intact.
Like NewThe item appears as if it has just come out of a retail box. There are no signs of wear, and all original protective materials are intact. The item may have been opened or used very minimally but retains its pristine condition, and all original accessories are included.
Very GoodThe item shows minimal wear from general use and is 100% operational and functions as intended. It may have minor cosmetic imperfections but performs well, and may be missing non-essential accessories.
GoodThe item is fully operational and functions as intended, but has noticeable wear from previous use. It may have aesthetic imperfections such as scratches or dents, and may be missing non-essential accessories.
FairThe item is fairly worn but continues to work perfectly. Signs of wear can include aesthetic issues such as scratches, dents, and worn corners, and it may be missing non-essential accessories.
| SKU: |
AT4791 |
|---|---|
| EAN/UPC: |
8720689034791 |
Pay every 2 weeks in 4 interest-free payments.
Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Late fees may apply.
Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
Pay every 2 weeks in 4 interest-free payments.
Klarna's Pay in 3 / Pay in 30 days are unregulated credit agreements. Borrowing more than you can afford or paying late may negatively impact your financial status and ability to obtain credit. 18+, UK residents only. Subject to status. Late fees may apply.
Buy now, pay later interest free instalments.
No hidden fees. This is a credit product. 18+.
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Essential accessories
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12 months warranty
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