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 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 vs manual

⏱️2-minute SmartTimer with QuadPacer

90488CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🦷 Elevate your smile game—because your teeth deserve the tech upgrade!

READY TO GO - Includes Optimal Plaque Control brush head and USB charger for seamless integration into your modern lifestyle.
PLAQUE BE GONE - Clinically proven to remove up to 5x more plaque than a manual brush for a dentist-clean feel every day.
GENTLE YET POWERFUL - Pressure sensor and two intensity settings protect sensitive gums from overbrushing without sacrificing cleaning power.
LONG LASTING CHARGE - One full charge powers your Sonicare for up to 2 weeks—ideal for busy professionals and frequent travelers.
PERFECT TIMING EVERY TIME - Built-in 2-minute SmartTimer with QuadPacer ensures you brush the dentist-recommended time for a full-mouth clean.

The PHILIPS Sonicare 4100 Electric Toothbrush HX3681/24 combines advanced sonic technology with smart features like a pressure sensor and SmartTimer to deliver superior plaque removal and gum protection. With a rechargeable battery lasting up to two weeks and two intensity settings, it’s designed for effective, gentle, and convenient oral care. Includes one brush handle, one Optimal Plaque Control brush head, and a USB charger.

Specifications

ASIN	B09LD7WRVS
ASIN	B09LD7WRVS
Age Range Description	Adult
Batteries	1 Lithium Ion batteries required. (included)
Best Sellers Rank	13,332 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 55 in Sonic Toothbrushes
Brand Name	Philips Sonicare
Bristle Material	Nylon
Colour	Black
Customer Reviews	4.2 4.2 out of 5 stars (36,331)
Customer reviews	4.2 4.2 out of 5 stars (36,331)
Delivery information	We cannot deliver certain products outside mainland UK ( Details ). We will only be able to confirm if this product can be delivered to your chosen address when you enter your delivery address at checkout.
Global Trade Identification Number	00075020100764
Guaranteed software updates until	unknown
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 model number	HX3681/24
Manufacturer	Philips Sonicare
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
Product Dimensions	6.3 x 10.9 x 22 cm; 244.94 g
Reusability	Reusable
Target Audience	Girls, Unisex-Adults, Unisex-Kids
Toothbrush Head Shape	Round
UPC	075020100764
Unit Count	1.0 count

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