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Ultra Clean. Deep Across Every Tooth.
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Brush and Floss, Your Way
Use brushing and water flossing independently, giving you more freedom to clean the way your routine calls for. -
More Effective Power at the Bristles
Updated brush head and nozzle designs help transfer power more efficiently to the bristles, keeping each pass steadier and more consistent. -
80 Seconds, More Complete Care
More time for water flossing helps you clean between teeth and along the gumline for a more complete everyday routine.
Elevated Brushing. Effortless Flossing.
More control over how you brush and floss, with steadier brushing and better contact across every pass.
-
Brush and Floss, Your Way
Use brushing and water flossing independently, giving you more freedom to clean the way your routine calls for. -
More Effective Power at the Bristles
Updated brush head and nozzle designs help transfer power more efficiently to the bristles, keeping each pass steadier and more consistent. -
Precision Reach for Back Teeth
A raised precision nozzle directs a 0.55 mm water stream into hard-to-reach gaps between back teeth, with up to 80 seconds of water flossing.
Complete Care. A Simpler Routine.
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Two Steps, One Device
Brushing and water flossing come together in one device for a simpler everyday routine. -
One Less Step to Think About
Water flossing follows brushing automatically, helping you complete both steps without having to remember when to switch. -
Full-Mouth Floss in 60 Seconds
Complete your everyday water-flossing step in just 60 seconds, making it easier to fit complete care into a busy routine.
Specifications
- MultiClean Technology: 66,000 sonic vibrations + 20° oscillation
- Water Pressure: 124.3 PSI with 0.55mm precision stream
- Cleaning Modes: Deep Clean (2 min brush + 80 sec floss) | Quick Floss (80 sec)
- Intensity Levels: Low | Medium | High
- Battery Life: 30+ days (3,000 mAh lithium-ion)
- Charging: Magnetic charging cable, 8-hour full charge
- Weight: 225g ultralight design
- Dimensions: 269.7 × 48.8 × 36.4 mm
- Charging Input: 5V DC, 1A
- Waterproof: IPX8 rating, fully submersible
- Testing: 130+ reliability tests passed
- Materials: BPA-free, copper-free construction
- Warranty: 12-month standard
- 2 brush heads (Ultra Soft + Ultra Clean)
- Premium travel case
- Magnetic charger
- Reservoir cleaning brush
Specifications
- Cleaning Modes: Brush (2 min) | Floss (80 sec)
- Brushing: Up to 43,200 vibrations/min
- Water Pressure: 124.3 PSI with 0.55mm precision stream
- Intensity Levels: Low | Medium | High
- Battery Life: Up to 30 days (2,600 mAh lithium-ion)
- Charging: Wireless charging base, approx. 7-hour full charge
- Charging Input: 5V DC, 1A
- Weight: 220g
- Dimensions: 269.8 × 48.6 × 36.7 mm
- Waterproof: IPX8 rating, fully submersible
- Materials: Copper-free bristles, food-grade soft rubber
- Warranty: 12-month standard
- 2 Crystal Clean brush heads
- Premium travel case
- Wireless charging base
Specifications
- 34,400 vibrations/min for superior plaque removal
- 90 pulses/min water flossing for interdental precision
- Smart timer: 2-min brushing + 1-min flossing with 3-sec guides
- 30+ days on a single charge
- Remarkably light: 225g
- Travel-ready: 270.2 x 46.5 x 36.8 mm
- 2600 mAh lithium-ion battery
- Global compatibility (110–220V)
- IPX8 waterproof rating for shower use
- Copper-free bristles for pure hygiene
- 130+ quality tests on every unit
- Anti-residue ridges prevent buildup
- Rear magnetic charging eliminates port contamination
- Ergonomic grip with premium non-slip finish
Your Questions Answered
Yes. One full tank provides up to 80 seconds of water flossing, designed for a full-mouth routine. If you prefer to floss longer, simply refill and continue.
If you have sensitive teeth or gums, dental work, or recent treatment, check with your dentist or orthodontist before use.
For a gentler brushing feel, an Ultra Soft brush head is included as an alternative.
NEOS II Ultra comes with Ultra Soft and Ultra Clean in the box and is also compatible with Crystal Clean and Classic Clean, sold separately.
Compare the available options on our Replacement Brush Heads page to find the right fit for your routine.
After use, empty and rinse the reservoir, then leave it open to air-dry.
For deeper cleaning, remove the bottom cover and use the included reservoir cleaning brush to clean inside the tank.
Yes. Eligible one-time purchases can be paid for with HSA/FSA funds through Flex.
Select Flex | Pay with HSA/FSA at checkout. If your order includes a subscription, purchase the subscription separately using a standard payment method, as subscription products are not eligible for HSA/FSA payment.
Flex can provide an itemized receipt and, if required, a Letter of Medical Necessity. Eligibility varies by plan, so confirm with your plan administrator.
Yes. NEOS II Ultra can generally be packed in carry-on baggage. Empty the reservoir before travel and follow applicable TSA and airline requirements for batteries and liquids.
Replace your brush head about every 3 months, or sooner if the bristles are visibly worn.
A subscription is optional and includes 10% savings on replacement brush heads.
Your Questions Answered
Yes. One full tank provides up to 80 seconds of water flossing, designed for a full-mouth routine. If you prefer to floss longer, simply refill and continue.
If you have sensitive teeth or gums, dental work, or recent treatment, check with your dentist or orthodontist before use.
For a gentler brushing feel, Ultra Soft brush heads are compatible with NEOS II SE and sold separately. Shop the Ultra Soft brush head here.
NEOS II SE comes with Crystal Clean Brush Heads in the box and is also compatible with Ultra Soft, Ultra Clean, and Classic Clean, sold separately.
Compare the available options on our Replacement Brush Heads page to find the right fit for your routine.
After use, empty and rinse the reservoir, then leave it open to air-dry.
For deeper cleaning, remove the bottom cover and use the reservoir cleaning brush to clean inside the tank. Shop the reservoir cleaning brush here.
Yes. Eligible one-time purchases can be paid for with HSA/FSA funds through Flex.
Select Flex | Pay with HSA/FSA at checkout. If your order includes a subscription, purchase the subscription separately using a standard payment method, as subscription products are not eligible for HSA/FSA payment.
Flex can provide an itemized receipt and, if required, a Letter of Medical Necessity. Eligibility varies by plan, so confirm with your plan administrator.
Yes. NEOS II SE can generally be packed in carry-on baggage. Empty the reservoir before travel and follow applicable TSA and airline requirements for batteries and liquids.
Replace your brush head about every 3 months, or sooner if the bristles are visibly worn.
A subscription is optional and includes 10% savings on replacement brush heads.
Your Questions Answered
NEOS II provides up to 60 seconds of water flossing, designed for a quick full-mouth clean.
If you prefer more water-flossing time in each routine, NEOS II Ultra and NEOS II SE provide up to 80 seconds.
If you have sensitive teeth or gums, dental work, or recent treatment, check with your dentist or orthodontist before use.
For a gentler brushing feel, Ultra Soft brush heads are compatible with NEOS II and sold separately. Shop the Ultra Soft brush head here.
NEOS II comes with Classic Clean Brush Heads in the box and is also compatible with Ultra Soft, Ultra Clean, and Crystal Clean, sold separately.
Compare the available options on our Replacement Brush Heads page to find the right fit for your routine.
After use, empty and rinse the reservoir, then leave it open to air-dry.
For deeper cleaning, remove the bottom cover and use the included reservoir cleaning brush to clean inside the tank.
Yes. Eligible one-time purchases can be paid for with HSA/FSA funds through Flex.
Select Flex | Pay with HSA/FSA at checkout. If your order includes a subscription, purchase the subscription separately using a standard payment method, as subscription products are not eligible for HSA/FSA payment.
Flex can provide an itemized receipt and, if required, a Letter of Medical Necessity. Eligibility varies by plan, so confirm with your plan administrator.
Yes. NEOS II can generally be packed in carry-on baggage. Empty the reservoir before travel and follow applicable TSA and airline requirements for batteries and liquids.
Replace your brush head about every 3 months, or sooner if the bristles are visibly worn.
A subscription is optional and includes 10% savings on replacement brush heads.
