Why doesn't the new 4100 model have a regular plug ? why on gods green earth did they cheap out and put a usb plug in there ??

According to the review in WireCutter (Sept 2022), you can contact SonicCare and receive a free plug adapter. I've just ordered the 4100 on Amazon. I don't have the serial number yet, because the product doesn't arrive until tomorrow, but SonicCare customer service just told me that they would send the free plug adapter once I provide the model number and serial number to them. They confirmed there is no charnge. It will take 7-10 days to receive the plug adapter once I am able to provide them with the serial number. I'll do all of that after the product arrives tomorrow.

Does anybody make a single speed electric toothbrush? I'm so tired of cycling through the speeds

Cycling is the most effective way to brush each quadrant sufficiently.

What is the purpose of having two intensity modes? How do you know when you should use one or the other?

if you have more sensitive teeth and gums you can use the softer mode

What do the green and yellow lights mean? what about the beeping noise after the 2 minute brush? I thought low battery but is it replacement head?

Hi! When the brush head replacement reminder light of Philips Sonicare Toothbrush HX3681/24 lights up amber, kindly replace your brush head.

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4100 Electric Toothbrush, Rechargeable Electric Toothbrush with Pressure Sensor, Black HX3681/24

4100 Electric Toothbrush, Rechargeable Electric Toothbrush with Pressure Sensor, Black HX3681/24

Product ID: 545747661

Details

Age range (description)
Adult
Brand
Philips
Colour
Black
Item firmness description
Soft
Material feature
Sustainable
Number of items
1

⚡2-week battery life

🦷5x more plaque removal

⏱️2-minute SmartTimer with QuadPacer

€ 123.61

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Description

🦷 Elevate your smile game—because your teeth deserve the future of clean!

PERFECT TIMING - Built-in 2-minute SmartTimer with QuadPacer ensures you brush like a pro every time.
PLAQUE BE GONE - Removes up to 5x more plaque than manual brushes for a dentist-approved clean.
GENTLE YET POWERFUL - Pressure sensor and 2 intensity settings protect sensitive gums from overbrushing.
LONG LASTING CHARGE - One full charge powers your brush for 2 whole weeks—travel-ready and hassle-free.
ALL INCLUSIVE STARTER KIT - Includes handle, Optimal Plaque Control brush head, and USB charger for instant upgrade.

The PHILIPS Sonicare 4100 Electric Toothbrush HX3681/24 offers advanced plaque removal with up to 5x better cleaning than manual brushes. Featuring a pressure sensor and two intensity settings, it safeguards sensitive gums while delivering a powerful clean. The integrated 2-minute SmartTimer with QuadPacer ensures dentist-recommended brushing time, and its rechargeable battery lasts up to 2 weeks per charge. This sleek black model comes with an Optimal Plaque Control brush head and USB charger, making it the perfect upgrade for professional oral care.

Specifications

ASIN	B09LD7WRVS
Age Range Description	Adult
Age range (description)	Adult
Best Sellers Rank	10,486 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 42 in Sonic Toothbrushes
Brand	Philips Sonicare
Brand Name	Philips Sonicare
Bristle Material	Nylon
Colour	Black
Customer Reviews	4.2 out of 5 stars 36,101 Reviews
Global Trade Identification Number	00075020100764
Handle Material	Plastic
Included Components	1 Philips Sonicare 4100 handle, 1 Optimal Plaque Control (C2) brush head, 1 charger
Item Dimensions	6.3 x 10.9 x 22 centimetres
Item Firmness Description	Soft
Item Weight	0.54 Pounds
Item firmness description	Soft
Manufacturer	Philips Sonicare
Manufacturer Part Number	HX3681/24
Material Features	Sustainable
Model Name	4100
Model Number	HX3681/24
Mount Motion	Pulsate
Number of Items	1
Number of Pieces	1
Number of settings	2
Operation Mode	Powered
Other Special Features of the Product	Brushing Timer, Pressure Sensor
Package Type Name	Box
Power Source	Battery Powered
Power source	Battery Powered
Reusability	Reusable
Special feature	Brushing Timer, Pressure Sensor
Target Audience	Girls, Unisex-Adults, Unisex-Kids
Toothbrush Head Shape	Round
UPC	075020100764
Unit Count	1.0 count

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TrustScore 4.5 | 7,300+ reviews

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The product exactly matches the description. Very satisfied with my purchase.

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€ 123.61

Duties & taxes included

In stock

Sold byAmazon CroatiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Croatia.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

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