Warmra CSBKM-001 Ultrasonic Retainer Cleaner, 45 kHz, 200 ml

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Product guide

Warmra CSBKM-001 Ultrasonic Retainer Cleaner, 45 kHz, 200 ml

Warmra CSBKM-001 is a compact ultrasonic cleaner for retainers and other small dental appliances, with four timed modes combining ultrasonic cleaning and UV light in different ways. Its 200 ml stated capacity and multiple cycle options suit routine cleaning, but the UV and cleaning-efficiency figures are manufacturer claims rather than verified results.

At a glance

Four selectable cycles provide ultrasonic-only cleaning, combined ultrasonic and UV cycles, and a UV-only cycle.
The maker lists retainers, dentures, aligners, mouth guards, night guards, whitening trays, toothbrush heads and jewellery as suitable items.
A 200 ml tank and compact stated dimensions are intended for countertop or cabinet storage.

Price

£37.99Save 37%

Reference price: ~~£59.99~~

Price checked: 14 Nov 2026

View offer Ahead of Black FridayExplore the selection

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Pros and cons

Pros

Four cycle choices include a short ultrasonic-only option and separate combined or UV-only cycles.
The stated 200 ml capacity is designed for small dental appliances and personal items.
The listing specifies a stainless-steel inner tank and a low-voltage DC power supply.

Cons

The stated tank capacity is limited to 200 ml, so this is intended for small items rather than larger cleaning loads.

Technical specifications

17 specifications

Identity
Brand	Warmra

Cleaning
Ultrasonic frequency	45,000Hz
Modes	4 cleaning modes
Mode 1	5-minute ultrasonic (Quick Cleaning, daily maintenance)
Mode 2	10-minute ultrasonic + U-V (Universal Cleaning, routine stains)
Mode 3	15-minute ultrasonic + U-V (Deep Cleaning, heavy stains, reusable)
Mode 4	10-minute high-efficiency U-V (High-efficiency microorganism reduction)
UV lamps	4×254nm U-V lamps
Tank capacity	200ml

Materials and operation
Inner tank material	food-grade 304 stainless steel
Housing material	ABS
Power supply	DC 12V/2A
Power rating	≤20W
Operating noise	<40dB

Dimensions and installation
Dimensions listed	12 x 10 x 12 cm; 370 g
Feature-description dimensions	121210cm

Model
Model number	CSBKM-001

What to know before buying

Listing details to confirm

The listing claims 99.99% tartar and residue removal and 99.99% microorganism reduction, but these performance figures are not independently established here. Use of plain water is suggested for daily cleaning, while cleaning tablets or solutions may be used for stubborn deposits. UV turns off when the lid opens, according to the listing. The dimensions are given both as 12 x 10 x 12 cm and 12*12*10cm, so the exact orientation is unclear. The stated 5-year service life and 12-month warranty are manufacturer claims.

Who is it for?

A good fit for

Retainer, aligner or denture users seeking several timed cleaning options in a compact unit.
Buyers who want a separate UV-only cycle as well as ultrasonic cleaning.

Less suited to

Anyone needing a larger tank for bulky items or multiple large pieces at once.
Buyers seeking independently verified cleaning or microorganism-reduction performance.

Warmra CSBKM-001 Ultrasonic Retainer Cleaner, 45 kHz, 200 ml · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 726 ratings

5 stars70%70%
4 stars9%9%
3 stars4%4%
2 stars4%4%
1 star13%13%

Customer feedback describes effective cleaning, ease of use, compact size and relatively quiet operation, including a report of use on Invisalign retainers. Durability is a notable concern, with reports of units breaking after two months. The positive reports fit the product's small-item use and simple timed cycles, but they do not verify the listed cleaning or UV performance claims. Ratings are mostly five-star but include a meaningful one-star share, so experiences are not uniformly positive.

Positive themes

Customers report effective cleaning and find the device easy to use.
Feedback also describes it as compact and relatively quiet.

Negative themes

Some customers report units breaking after two months, raising durability concerns.

Mixed feedback

Overall feedback is more positive than negative, but the sizeable one-star share and durability reports suggest results and longevity may vary.

Frequently asked questions

What cleaning cycles does the Warmra CSBKM-001 offer?

The listing describes a 5-minute ultrasonic cycle, a 10-minute ultrasonic-plus-UV cycle, a 15-minute ultrasonic-plus-UV cycle and a 10-minute UV-only cycle.

What can be cleaned in it?

The maker lists retainers, dentures, aligners, mouth guards, night guards, whitening trays, toothbrush heads and jewellery. Check item-care guidance before cleaning a particular appliance or accessory.

Can it be used with plain water?

The listing says plain water can be used for daily cleaning. It also says cleaning tablets or retainer-cleaning solutions can be used for stubborn dirt and stains.

How large is the cleaner?

The product details list dimensions of 12 x 10 x 12 cm and a weight of 370 g. A feature description gives the dimensions as 12*12*10cm, so the precise dimension order is inconsistent.