
Sonic electric
toothbrush
3100 series
Sonic technology
Pressure sensor
QuadPacer and SmarTimer
Slim ergonomic design
HX3675/23
Goodbye manual toothbrush. Hello Sonic
technology.
Up to 3x more plaque removal*
Sonic technology combined with our brush action gently removes 3x more plaque
than a manual toothbrush.
Provides superior clean
Removes up 3x more plaque*vs a manual toothbrush
Our unique technology brings you a powerful yet gentle clean
Protects your gums
Built-in pressure sensor protects your teeth & gums
Optimize your brushing
Optimize your brushing with SmarTimer and QuadPacer
Designed around you
Always know when to replace your brush heads
14-day long lasting battery life
Ergonomic design makes the toothbrush easy to hold and use
Use less. Reuse more
Easy transition to Sonicare
Easy-Start to ease the transition

Sonic electric toothbrush
HX3675/23
Highlights
Advanced Sonicare 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.** 31000 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*
Sonicare electri c toothbrush with advanced
sonic technology i s clinically proven to remove
upto 3X more plaque from your teeth and
along the gum line while protecting your gums
Protects 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. 7 out of 10 people found this feature
helped them become better brushers.
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.
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. Our
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.
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.
Long lasting battery life
Battery life lasts up to 14 days so you can go
long periods without charging.
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. That's powerful, right?

Sonic electric toothbrush
HX3675/23
Specifications
Modes
Clean: For exceptional everyday clean
Items included
Handle: 2 3100 Series
Brush heads: 2 C2 Optimal Plaque Defense
Charger: 2
Design and finishing
Color: White
Cleaning performance
Performance: Removes up to 3x more plaque*
Pressure feedback: V ibrates handle to alert
user
Timer: Quadpacer and SmarTimer
Smart sensor technology
BrushSync Replacement Reminder: Always
know when to, replace brush heads
Pressure sensor: Alerts when brushing too
hard
Ease of use
Handle: Sli m ergonomic design
Battery indicator: Light shows battery status
BrushSync Replacement Reminder:
Replacement reminder, Always know when to,
replace brush heads, Remi nder icon lights up,
to always ensure best results
Brush head system: E asy click-on brush heads
Technical specifications
Battery: Rechargeable
Battery type: Lithium ION
Operating time (full to empty): 14 days*****
Power
Voltage: DC5V
Service
Warranty: 2-year limited warranty
* vs manual toothbru sh for healthier teeth a nd gums
* ** ** based on tw o periods of two-minute brus hings per
day on standard mode
© 20 21 Koninklijke Philips N.V.
All Right s reserved.
Specifications are subject to change
without notice. Trademarks are the
property of Koninklijke Ph ilips N.V. or
their respective owners.
Issue date 2021‑ 10‑0 5
Version: 8.0.1
www.phili ps.com