1 / 7Ducard 11M Cordless Water Flosser, 350 ml Tank
Ducard 11M is a cordless water flosser with a 350 ml tank, five modes, and a kit listing seven nozzle tips. Its U-shaped nozzle is intended to clean both inner and outer tooth surfaces in one step, while separate tips offer different attachment options.
At a glance
- The listing describes a U-shaped nozzle for cleaning inner and outer tooth surfaces together, plus a rotating nozzle design.
- Five listed modes include Soft, Normal, Strong, Pulse, and Child.
- The 350 ml tank is claimed to provide up to 120 seconds of use before refilling.
- The feature text claims up to 30 days of battery life, but the listed battery requirement and rechargeable USB-C cable create uncertainty about the power setup.
Reference price: $57.99
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- Large 350 ml tank and stated up-to-120-second continuous use may reduce refill interruptions.
- A range of nozzle types is listed, including orthodontic, deep-clean, and tongue-scraper options.
- Cordless design and an included USB-C charging cable are suited to portable use, if the battery details are clarified.
Cons
- A charging adapter is not included, so a compatible USB power adapter may be needed.
Technical specifications
10 specifications| Brand | Ducard |
|---|---|
| Model | 11M |
| Tank capacity | 350ml/22oz |
|---|---|
| Claimed continuous use per fill | up to 120 seconds |
| Modes | Soft, Normal, Strong, Pulse, and Child |
| Water flow | 0.6mm |
| Waterproof rating | IPX7 |
| Claimed battery life | up to 30 days on a single charge |
| Package dimensions and weight | 9.49 x 3.62 x 3.58 inches; 14.11 ounces |
|---|---|
| Battery detail | 1 AAA batteries required. |
What to know before buying
Listing details to confirm
The power and battery information is inconsistent: the details list says 1 AAA batteries required., while the feature claims describe a rechargeable battery lasting up to 30 days and an included USB-C charging cable. Confirm the power arrangement and runtime for the exact listing. The U-shaped design is described as cleaning both tooth surfaces together, while another claim describes a rotating nozzle reaching between teeth. Treat those as distinct listing claims, not a confirmed simultaneous cleaning result.
Who is it for?
A good fit for
- Buyers seeking a cordless water flosser with multiple nozzle styles and five operating modes.
- Travelers who value a comparatively large listed tank and a claimed compact, portable format.
- People with braces or dental work who want to consider orthodontic and periodontal tip options, while following their dental professional's guidance.
Less suited to
- Buyers who need a clearly specified battery type and verified runtime before purchase.
- Anyone expecting a charging adapter to be supplied with the USB-C cable.

Customer reviews on Amazon
- 5 stars
74% 74% - 4 stars
12% 12% - 3 stars
4% 4% - 2 stars
2% 2% - 1 star
8% 8%
Customer feedback highlights reported good performance, fresh-feeling teeth and gums, appreciation for the U-shaped design and multiple pressure settings, and approval of the tank size and tip selection. Battery experiences are mixed, including reports that it will not charge. That concern matters because the listing's battery type and rechargeable claims conflict. Positive comments about capacity and attachments align with the stated 350 ml tank and multi-tip kit, but do not establish their performance independently.
Positive themes
- Customer feedback describes good performance and a fresh-feeling clean.
- Customers appreciate the tank size, U-shaped design, pressure settings, and attachment options.
Mixed feedback
- Battery feedback is mixed, with some customers reporting strong battery life and others saying the unit will not charge.
Frequently asked questions
How much water does the tank hold?
The listing specifies a 350ml/22oz tank and claims up to 120 seconds of continuous flossing per fill.
Which modes are listed?
The five modes named are Soft, Normal, Strong, Pulse, and Child.
Is it rechargeable?
The feature text calls it rechargeable and says a USB-C cable is included, but product details also list 1 AAA batteries required. The power setup is therefore unclear and should be confirmed before buying.
Does the kit include a charging adapter?
No adapter is listed. The feature text says the USB-C charging cable is included and the adapter is not included.

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