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 Power Toothbrush, Rechargeable Electric Toothbrush with Pressure Sensor, White HX3681/23

Philips Sonicare 4100 Power Toothbrush, Rechargeable Electric Toothbrush with Pressure Sensor, White HX3681/23

Product ID: 662659306

Details

Age range (description)
Adult
Brand
Philips
Colour
White
Item firmness description
Soft
Material feature
Reusable or or
Number of items
1

⚡2-week battery life

🔴Pressure sensor protects gums

⏱️2-minute SmarTimer with QuadPacer

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Description

✨ Elevate your smile game with smart tech that cares! ⚡

LONG LASTING POWER - One full charge powers your brush for 2 whole weeks—perfect for busy professionals on the go.
SMART GUM GUARDIAN - Pressure sensor alerts you instantly to prevent overbrushing and protect sensitive gums.
PRECISION TIMING TECH - Built-in 2-minute SmarTimer with QuadPacer ensures you never miss the dentist-recommended brushing time.
ERGONOMIC EFFORTLESS - Slim, sleek design with familiar brush head shape for comfortable, effective daily use.
PLAQUE GONE 5 X FASTER - Removes up to 5x more plaque than manual brushing for a dentist-level clean every day.

The Philips Sonicare 4100 Power Toothbrush combines advanced sonic technology with smart features like a pressure sensor and a 2-minute SmarTimer to deliver a superior clean that removes up to 5x more plaque than manual brushing. Its long-lasting battery and ergonomic design make it the perfect daily essential for professionals who demand effective, gentle oral care.

Specifications

ASIN	B09LD8T445
ASIN	B09LD8T445
Age Range Description	Adult
Batteries	1 Lithium Ion batteries required. (included)
Best Sellers Rank	22,573 in Health & Personal Care ( See Top 100 in Health & Personal Care ) 66 in Sonic Toothbrushes
Brand Name	Philips Sonicare
Bristle Material	Nylon
Colour	White
Customer Reviews	4.2 4.2 out of 5 stars (19,418)
Customer reviews	4.2 4.2 out of 5 stars (19,418)
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	00075020100757
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	245 g
Item model number	HX3681/23
Manufacturer	Philips Sonicare
Manufacturer	Philips Sonicare
Manufacturer Part Number	HX3681/23
Material Features	Reusable or Sustainable or Recyclable or Biodegradable
Model Name	Sonicare 4100 Power Toothbrush
Model Number	HX3681/23
Mount Motion	Vibrate
Number of Items	1
Number of Pieces	1
Number of settings	2
Operation Mode	Automatic
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	Unisex-Adults, Unisex-Kids
Toothbrush Head Shape	U-Shaped
UPC	075020100757
Unit Count	1 count

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