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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Philips Sonicare 4100 Rechargeable Electric Toothbrush, Deep Pink

Product ID: 388125043

Details

Age Range (Description)
Adult
Brand
Philips
Item Firmness Description
Soft
Power Source
Battery
Special Feature
Pressure Timer

⚡14-day battery life

🔔Pressure sensor alert

🦷700% better plaque removal

$109.31

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Description

🦷 Elevate your oral game with tech that cares as much as you do!

LONG LASTING POWER - Recharge once, enjoy up to 14 days of consistent, powerful sonic cleaning.
PLAQUE WHAT PLAQUE - Removes up to 700% more plaque than manual brushes for a visibly whiter smile.
SMART PRESSURE CONTROL - Built-in sensor pulses to protect gums from over-brushing—because your smile deserves gentle care.
BRUSH HEAD INTELLIGENCE - Replacement reminder tracks usage and alerts you when it’s time for a fresh brush head—never miss peak performance.
BRUSHING MADE EFFORTLESS - QuadPacer and Smartimer ensure you hit the dentist-recommended 2 minutes every time.

The Philips Sonicare 4100 Series electric toothbrush combines advanced sonic technology with smart features like a pressure sensor, QuadPacer, and Smartimer to deliver up to 700% better plaque removal than manual brushing. With a rechargeable battery lasting up to 14 days and a brush head replacement reminder, it’s designed for effective, gentle, and convenient oral care tailored for the modern professional.

Specifications

ASIN	B09LD8VFS1
ASIN	B09LD8VFS1
Age Range Description	Adult
Batteries	1 Lithium Ion batteries required. (included)
Best Sellers Rank	#166 in Health & Household ( See Top 100 in Health & Household ) #1 in Sonic Toothbrushes
Brand Name	Philips Sonicare
Bristle Material	Nylon
Color	Deep Pink
Customer Reviews	4.4 4.4 out of 5 stars (14,275)
Date First Available	December 13, 2021
Global Trade Identification Number	00075020100771
Handle Material	Plastic
Included Components	1 Philips Sonicare 4100 handle, 1 Optimal Plaque Control (C2) brush head, 1 charger
Item Dimensions	2.48 x 4.29 x 8.66 inches
Item Firmness Description	Soft
Item Weight	8.64 ounces
Item model number	HX3681/26
Manufacturer	Philips Sonicare
Manufacturer	Philips Sonicare
Manufacturer Part Number	HX3681/26
Material Features	Reusable
Model Name	4100 Series
Model Number	HX3681/26
Mount Motion	Vibrate
Number of Items	1
Number of Pieces	1
Number of settings	2
Operation Mode	Automatic
Other Special Features of the Product	Pressure Sensor,Brushing Timer,Rechargeable,Lightweight,Ergonomic
Package Type Name	Box
Power Source	Battery Powered
Product Dimensions	2.48 x 4.29 x 8.66 inches; 8.64 ounces
Reusability	Reusable
Target Audience	Unisex-Adults
Toothbrush Head Shape	Round
UPC	075020100771
Unit Count	1 Count

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$109.31

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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