COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels

Levels: The COSLUS C50 cordless water flosser offers four modes with five intensity settings each, plus a removable 270 ml tank. Its adjustable settings and claimed travel-friendly design suit buyers who want a rechargeable oral irrigator, though charging details and reported battery and water-flow experiences merit attention.

At a glance

Four modes with five intensity settings apiece provide a range of claimed cleaning options.
The listing gives a 270 ml removable tank and claims up to 90 seconds of continuous cleaning per fill.
Manufacturer claims include a rechargeable battery, travel portability and up to 30 days of use per charge.
The listing describes two standard floss tips, one orthodontic tip and one periodontal tip, but no explicit package inventory is supplied.

Price

£18.99Save 21%

Reference price: ~~£23.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

The 20 mode-and-setting combinations offer adjustment for different cleaning preferences.
A removable 270 ml tank may reduce refill interruptions compared with smaller reservoirs.
The listing describes tips for routine cleaning, orthodontic appliances and periodontal care.

Technical specifications

15 specifications

Identity
Brand	COSLUS
Model	C50
Colour	Black Blue
Material	Plastic

Operation
Power configuration	Battery Powered
Modes and intensity	4 modes, each with 5 settings
Water pressure	30-140 PSI
Pulses	1,400-1,800 pulses
Tank capacity	270 Millilitres
Claimed runtime per fill	90 seconds of continuous cleaning

Dimensions and installation
Dimensions listed	22.8 x 8.9 x 6.5 centimetres
Weight listed	430 Grams

Use and construction
Recommended uses	Daily Cleaning, Deep Cleaning
Target body part	Teeth
Specification met	CE

What to know before buying

The charging cable is transitioning from USB to Type-C and is said to be distributed randomly. The adapter is not included. Confirm which cable version the selected listing supplies.
The product is listed as 430 Grams, which may matter if choosing a flosser primarily for lightweight travel.

Listing details to confirm

The listing's claimed 30-day battery life is not accompanied by a usage schedule, and customer feedback is mixed on battery life and water flow. Treat runtime as a claim rather than a guaranteed result. The title describes four modes and five intensity levels, while the feature text says each mode has five settings. The claimed IPX7 rating, dual-stream nozzle details and four-tip kit are not confirmed by the technical details or an explicit box list. Confirm the selected variant and included tips before buying.

Who is it for?

A good fit for

Buyers who want adjustable water-flossing modes and intensity settings.
People with braces seeking an irrigator whose listing describes an orthodontic tip.
Users looking for a rechargeable cordless flosser with a removable tank.

Less suited to

Buyers who need a confirmed USB-C cable or a charging adapter in the box.
Anyone relying on a guaranteed battery runtime or verified waterproof rating.

COSLUS C50 Cordless Water Flosser, 4 Modes and 5 Intensity Levels · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.3 / 5 · 1,843 ratings

5 stars67%67%
4 stars16%16%
3 stars7%7%
2 stars2%2%
1 star8%8%

Customer feedback describes the flosser as effective and highlights its settings and perceived value. Battery life and water flow receive mixed comments, including reports of charging stopping and water going everywhere. Those concerns are relevant to a cordless model with a claimed 30-day battery life and adjustable water delivery, but feedback does not establish how common these experiences are.

Positive themes

Customers describe the flosser as effective and appreciate its settings.
Some customers consider it good value for money.

Mixed feedback

Battery life receives mixed comments, including reports of good endurance and reports of charging problems.
Water flow receives mixed comments, with some reporting water going everywhere.

Frequently asked questions

How many modes and intensity settings does the COSLUS C50 have?

The title lists four modes and five intensity levels. The feature text says each of the four modes has five settings, giving 20 mode-and-setting combinations.

What is the tank capacity?

The technical details list a 270 Millilitres tank. The feature text claims a full tank provides 90 seconds of continuous cleaning.

Which charging cable is included?

The listing says it is transitioning from USB to Type-C cables and that cables are distributed randomly. It also says the charging adapter is not included, so confirm the cable version for the selected listing.

Are tips included?

The feature text claims two standard floss tips, one orthodontic tip and one periodontal tip, but the supplied information does not include an explicit package inventory. Check the selected listing for confirmation.