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Product code: 81501804
The Series 3100 with our unique technology brings you a powerful yet gentle clean. Unique Sonic technology combined with brush action gently removes plaque up to 3x better than a manual toothbrush.
Sonic technology combined with brush action gently removes plaque up to 3x better than a manual toothbrush.
Advanced Sonic Technology
Powerful bristle vibrations drive microbubbles deep between your teeth and along your gum line for a refreshing experience. You will get two month’s worth of manual brushing in just 2 minutes.** 31,000 brush strokes per minute gently clean your teeth, break up plaque, and sweep it away for an exceptional daily clean.
Removes up to 3x more plaque
The Sonicare electric toothbrush with advanced sonic technology is clinically proven to remove plaque up to 3X better* than a manual toothbrush. It removes plaque from your teeth and along the gum line, without being harsh and whilst protecting your gums.
Protect your gums
Built-in pressure sensor automatically detects pressure you apply, warns you, and reduces the toothbrush vibrations automatically to help protect your gums. The toothbrush will make a pulsing sound as a reminder to ease off the pressure.
BrushSync replacement reminder
All brush heads wear out over time, so you'll want to keep an eye on yours to make sure you're still getting a great clean. The BrushSync technology tracks how long you've been using your brush head for, and how hard you've been brushing. The BrushSync replacement reminder on your handle and a short beep gives you a heads up when it's time to replace it.
SmartTimer and QuadPacer
2 minute SmarTimer and 30-second QuadPacer guide you to brush for the recommended time in all areas of your mouth to ensure a complete clean.
Designed around you
Slim, light-weight, and ergonomic design makes the toothbrush easy to hold and use so that you can get an amazing clean without any strain.
Easy-start
Our Easy-Start program gives you the option of a gradual, gentle increase in brushing power the first 14 times you use your new toothbrush.
Goodbye adapter. Hello USB.
Power adapters may seem small, but added together, their plastics make a huge impact on the environment. By switching to USB charger in our Philips Sonicare 1000-4000 Series alone, we can use up to 189,210 kg less plastic every year.
Long lasting battery life
Battery life lasts up to 14 days so you can go long periods without charging.
You can recycle your Philips Sonicare electric toothbrush and toothbrush head at an authorised recycling facility by following local regulations.
*vs a manual toothbrush
** data on file
Product specification
- Batteries Included
- Yes
- Battery Life Details
- Up to 14 hours
- Brand
- Philips
- Country of Origin
- China
- Guarantee
- 2 year guarantee included
- Model name / number
- HX3675/15
- Power Supply
- Rechargeable Battery
- Timer
- No
- Voltage
- 220.00V
- Weight
- 470g
Delivery and returns
Delivery and collection options
- Standard Delivery
- Free
- UK delivery within 2 to 5 days, 8am - 8pm, Monday to Saturday. Free on orders over £50, otherwise £4.50.
- Click & Collect
- Free
- Free on orders over £40, £2.95 if you spend less. Choose a collection day at checkout, next day available at some locations. Available at Waitrose, selected John Lewis shops, Shell stations and Booths stores.
- Local Collection Network
- Free
- Free on orders over £40, £2.95 if you spend less. Collect your delivery from thousands of local convenience shops. Your next available collection day will show at checkout.
- Evening Delivery within London M25
- £9.95
- Order before 10am to get same day evening delivery within London M25. Available 7 days a week, delivery between 6 – 11pm on a day of your choice. We’ll text you a 1-hour delivery window on the day. Delivered by 100% electric vehicles.
- Next or Named Day Delivery
- £7.95
- Delivery on the day of your choice, 8am - 8pm, 7 days a week. You'll receive a text on the morning of delivery with a 1-hour delivery window.
- Morning Delivery
- £10.95
- Delivery on the day of your choice, by 11.30am available 7 days a week.
Returns and refunds
You can return or exchange an unwanted item within 30 days of receiving it.
Please allow up to 14 days from sending the item to receive your refund.
How to return your item
Small items
Return a small item you bought online for free to a John Lewis or Waitrose shop, or one of our return locations. You can also arrange a collection using Evri or Royal Mail.
Large items - items delivered by two people, such as appliances and furniture
We'll collect large items from you. Collections are free if your item is damaged or faulty. If not, we charge a collection fee. To arrange a collection, please contact us.