Philips Sonicare 4100 Plaque Control Rechargeable Electric Toothbrush - HX3689/24

A: The new toothbrush will almost assuredly work in your old charger base, too; and you won't have to defer to the new USB one. Keep it, though. I'm not an electrician and, in theory, I could be wrong.

A: I bought an adapter plug that has both the usb plugin and a standard outlet plugin. It cost me $9.99, its a simple and cheap fix.

A: Companies useUSB on the end of their power cables because it is a low voltaga connection, therefore they do not need to seek the same certifications as a regular plug, therefore making it cheaper.

A: yes, this is so unnecessary. I wish to have a normal plug, especially for bathroom to have usb to have extra option for water access, I am surprised they want to take that risk for few cents to keep

A: It’s usb need a charger to plug into outlet

A: Embrace change. It's going to happen anyway. Resistence to the USB is you keeping one foot in the past and no foot in the future, leaving you in a flamingo stance. Do the bridge in all things.

A: So Phillips wants their customers to replace their bathrm outlets w/ 1 that has a USB port so that WE can use YOUR product? I don't think I'll be remodeling my bathroom so that I can use your product

A: I have a GFCI with USB charging ports in my bathroom. No issues for me.

A: Hello! You can use a USB wall adapter to charge the Philips Sonicare 4100 Powered Toothbrush.

A: Its usb, you will need to buy the plug.

A: I'm mystified by absence of regular 110V double prong plug. Agree with comment, "who has a USB port in their bathroom?" My home is 30-years old, which is normal.

A: Hello! It is recommended to replace your Philips Sonicare Brush Head every three months of normal use (brushing twice a day) or when the blue indicator bristles wear out.

A: The indicator says every 3 months. Most heads come with a colored indicator to change and if you get heads that have the “brush sync” technology the toothbrush will actually alert you to this.

A: Hello! It is recommended to replace your Philips Sonicare Brush Head every three months of normal use (brushing twice a day) or when the blue indicator bristles wear out. One reason is that brush heads can get weary and will be less effective in removing plaque.

A: Hello! It is recommended to replace your Philips Sonicare Brush Head every three months of normal use (brushing twice a day) or when the blue indicator bristles wear out. One reason is that brush heads can get weary and will be less effective in removing plaque.

A: Hello! Here are the safety standards outlined for a USB power adapter: Input voltage: 100-240V.Output voltage: 5V.Power output: 1A or higher. A splash-proof (IPX4) rated adapter.

A: Yes, finally a use for the old USB-A bricks! I have a multi outlet adapter with USB ports but it also can use the Apple charge brick with a normal outlet. I used one and it charged just fine

A: Hello! If you already own a USB power adapter, you can use it to charge your Philips product, provided it meets the safety standards outlined below: Input voltage: 100-240V.Output voltage: 5V.Power output: 1A or higher.If you want to use or charge your product in a moist environment, for example, in the bathroom, always use a splash-proof (IPX4) rated adapter.

A: Hello! If you already own a USB power adapter, you can use it to charge your Philips product, provided it meets the safety standards outlined below: Input voltage: 100-240V.Output voltage: 5V.Power output: 1A or higher.If you want to use or charge your product in a moist environment, for example, in the bathroom, always use a splash-proof (IPX4) rated adapter.

A: I use them for both of my daughters are 10 and 13!

A: Hello! The Philips Sonicare HX3681/21, part of the 4100 Series, is designed for adults.

A: Hello! The Philips Sonicare HX3681/21, part of the 4100 Series, is designed for adults.

A: Hello! The Philips Sonicare HX3681/21, part of the 4100 Series, is designed for adults.

A: Hello! Yes. All Philips Sonicare toothbrushes are suited for braces. However, do not force the bristles into the gaps of your braces.

A: Hello! Yes. All Philips Sonicare toothbrushes are suited for braces. However, do not force the bristles into the gaps of your braces. Follow the instructions below or view the instructional video on brushing your teeth while wearing braces. Wet the bristles of the brush head. Apply a small amount of toothpaste. Place the bristles against your teeth at a 45° angle. Press the power button to start brushing. First, brush above the brackets, then below. Next, clean between your braces with a circular motion. Lastly, move the brush along the back and biting surface of your teeth.

A: Hello! Yes. All Philips Sonicare toothbrushes are suited for braces. However, do not force the bristles into the gaps of your braces. Follow the instructions below or view the instructional video on brushing your teeth while wearing braces. Wet the bristles of the brush head. Apply a small amount of toothpaste. Place the bristles against your teeth at a 45° angle. Press the power button to start brushing. First, brush above the brackets, then below. Next, clean between your braces with a circular motion. Lastly, move the brush along the back and biting surface of your teeth.

A: Hello! Yes. Powerful bristle vibrations drive microbubbles deep between your teeth and along your gum line for a refreshing experience.

A: Hello! Yes. 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.

A: Hello! Yes. 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.

A: Hello! To help you transition to your new Sonicare power toothbrush, it comes with the EasyStart feature turned on.

A: Hello! To help you transition to your new Sonicare power toothbrush, it comes with the EasyStart feature turned on. This feature gently increases the power over the first 14 brushings to help you adapt to brushing with a Philips Sonicare toothbrush. To deactivate EasyStart feature, follow the instructions below: 1. Put the handle on the plugged-in charger. 2. Press and hold the power on/off button while the handle remains on the charger. 3. Keep the power on/off button pressed until you hear a single short beep (after 3 seconds). Triple tone of high-med-low means the EasyStart feature has been deactivated. The battery level indicator light will blink amber 1 time to confirm deactivation.

A: Hello! To help you transition to your new Sonicare power toothbrush, it comes with the EasyStart feature turned on. This feature gently increases the power over the first 14 brushings to help you adapt to brushing with a Philips Sonicare toothbrush. To deactivate EasyStart feature, follow the instructions below: 1. Put the handle on the plugged-in charger. 2. Press and hold the power on/off button while the handle remains on the charger. 3. Keep the power on/off button pressed until you hear a single short beep (after 3 seconds). Triple tone of high-med-low means the EasyStart feature has been deactivated. The battery level indicator light will blink amber 1 time to confirm deactivation.

A: The included head is not but you can order soft bristle ones. Just check the package before buying, I use soft bristle only and can only use certain heads, C1 is the standard soft bristle head, C2 also says it’s soft

A: Hi there! The brush head that came with Philips Sonicare 4100 Series Sonic electric toothbrush HX3681/21, which is the Philips Sonicare C2 Optimal Plaque Control, has a medium bristle stiffness feel. It is perfect for those who want to maintain optimal plaque removal as part of their everyday oral healthcare routine.

A: Hi there! The brush head that came with Philips Sonicare 4100 Series Sonic electric toothbrush HX3681/21, which is the Philips Sonicare C2 Optimal Plaque Control, has a medium bristle stiffness feel. It is perfect for those who want to maintain optimal plaque removal as part of their everyday oral healthcare routine.

A: Hello! The Philips Sonicare 4100 Toothbrush HX3681/21comes with a USB cable approximately 40 inches long.

A: Hello! The Philips Sonicare 4100 Toothbrush HX3681/21 USB cord length is 1 meter +/- 20mm

A: Hello! Yes. You can use the Philips Sonicare C3 brush heads with the Philips Sonicare 4100 Toothbrush HX3681/21.

A: Hello! Yes. You can use the Philips Sonicare C3 brush heads with the Philips Sonicare 4100 Toothbrush HX3681/21.

A: Hello! Yes. You can use the Philips Sonicare C3 brush heads with the Philips Sonicare 4100 Toothbrush HX3681/21.