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Portable Water Flosser 310 ml USB-C - White

Portable Water Flosser 310 ml USB-C - White

Best price now

$36.19at NeweggObserved at 12:33 AM

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Our take on the Portable Water Flosser 310 ml USB-C - White

This portable oral irrigator features a 310ml water tank and USB-C charging for convenient travel use. It is fully waterproof for use in the shower and provides a cordless alternative to traditional flossing. The price is $36.19 at Newegg as of November 7, 2026.

Best forFrequent travelersUsers with braces or dental workSmall bathrooms with limited counter space
Pros
  • Large 310ml reservoir for fewer refills
  • Universal USB-C charging port
  • Waterproof design for shower use
  • Cordless and compact form factor
Cons
  • Lower pressure than plug-in countertop models
  • Battery life degrades over time
  • Small tank requires refilling for thorough sessions

Portable Water Flosser 310 ml USB-C - White prices at every store

  • NeweggNew

    In stock

    $36.19Free shippingObserved at 12:33 AM
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Store links may earn us a commission. Price via Klarna.

Portable Water Flosser 310 ml USB-C - White price history

Lowest price we've seen: $36.19 on Nov 7 at Newegg. Tracked across 1 store since Nov 7.

What reviewers say

Users generally appreciate the portability and the modern USB-C charging port which eliminates the need for proprietary cables. While effective for daily maintenance, some find the water pressure weaker than professional-grade units.

What people mention
  • PortabilityPraisedThe cordless design and compact size make it easy to fit into a toiletry bag.
  • ChargingPraisedUSB-C compatibility means it can share a charger with most modern smartphones.
  • Water PressureMixedIt provides enough force for basic cleaning but lacks the intensity of larger AC-powered units.

Specifications

Rechargeable Battery
YesSource
Power Source
Rechargeable BatterySource
Color
WhiteSource

Questions and answers

Is this water flosser waterproof?
Yes, the device is rated as waterproof, allowing you to use it safely in the shower and rinse it under the tap for cleaning.
How do I charge the device?
It uses a standard USB-C cable, which is included, and can be charged using any standard USB power adapter or laptop port.
Is the 310ml tank enough for one use?
A 310ml tank typically provides about 45 to 60 seconds of continuous flossing, which is sufficient for a quick clean but may require one refill for a thorough session.
Can I use mouthwash in the reservoir?
Yes, you can add a small amount of mouthwash to the water, but ensure you flush the unit with plain water afterward to prevent residue buildup.
Where is the Portable Water Flosser 310 ml USB-C - White cheapest?
At Newegg, for $36.19, as of our latest check.

Stores we've priced the Portable Water Flosser 310 ml USB-C - White at

  • Newegg.com deals and prices