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How This Portable Washing Machine Is Perfect While Traveling

How This Portable Washing Machine Is Perfect While Traveling

If anyone told me that in the near future we're going to have a portable washing machine in the size of a mobile phone, I'd have never believed him!

Modern technology has changed the way we live in infinite ways. Whether it's our life, work, or leisure time, there's always a machine or a device that has made our chores a much easier challenge for us.

Today, we're going to discuss one of the latest technologies that's going to take the world by storm; introducing the amazing Dolfi, the world's smallest and most gentle portable washing machine.

Let's take a deeper look at why this next-gen portable washing device can be the key to solving your laundry problems.

Why a Portable Washing Machine Might Be the Greatest Solution to Your Laundry Problems

If you’re a traveler who enjoys all kinds of outdoor activities, or you’re someone who always holds a plane ticket in his hands, whether it be for work or personal fulfillment, you’ll know the drill.

The worst laundry nightmare is when there's a lot of dirty clothes, and no washing machine or laundry services in sight. This leads us all to the inevitable. We open our bags, take out our smelly dirty laundry, head to the sink and get to work on handwashing them.

That isn’t the only problem. Going to the gym means sweaty clothes after a fruitful workout which inevitably means that we’ll need to do another workout afterwards to wash our clothes or inevitably destroy all those technologically advanced fabrics in the washer or dryer drum.

Even when you have your washing machine ready, there are sometimes these extremely delicate garments that you just can't throw in the washing machine for a quick wash.


Girl Frustrated with Washing Machine


All these were episodic samples of how dirty laundry and washing machines can be inconvenient and unreliable. Luckily, the new invention of the Dolfi portable washing machine is the perfect solution to these problems.

How Ultrasonic Cleaning Works

While a portable washing machine like Dolfi isn’t something that many people thought of before, the use of ultrasonic technology in cleaning delicate medical tools such as surgical and dental instruments has been around for quite a while now.

It's also the ideal way used by automotive companies to remove grease and oil from motors and all the other vehicle parts. Since it has proven its efficiency and efficacy throughout the years, it was only a matter of time before it’d be implemented on laundry as well.

Ultrasonic cleaning utilizes the ultrasound waves in frequencies that range above 20 kHz  inside water. These produced sound waves can’t be heard. However, they’re able to agitate the water due to rapid changes in the pressure inside the water.

When the pressure is drastically altered underwater by the effect of ultrasound waves, it produces a bubble cavity inside the water that’s filled with water vapor. This process is known as cavitation.

When the high pressure in the water vapor filled bubble meets the lower pressure of the water molecules, these void bubbles implode from the inside out and collapse, producing a powerful shock wave that creates millions of microscopic jet streams.

In the case of ultrasonic cleaners, these invisible microscopic jet streams produce agitative and strong pushing shocks that can safely wash the dirt and particles off the fabrics.

 Deep Cleaning with ultrasonic power


What Dolfi did was incorporating a small but highly powerful transducer inside the portable washing device. This transducer creates and emits ultrasonic waves of multiple frequencies that are multi-mode, wide-band, and progressive.


Dolfi Portable Washing Machine

Let’s take a closer look at some of the properties, specifications, and first impressions when you first receive your portable washing device.

First Impression

When you first look at Dolfi portable washing machine, the first thought that might come to your mind is that it looks like a cross over between an airport case or a bar of soap.

This pebble-shaped device is 9cm (3.54 inches) in length, 7.2cm (2.83 inches) in width, and 3.4cm (1.3 inches) in height, making it one of the smallest washing machines in the world.

However, don’t let the small size of this device fool you. Although this device is the size of your mobile phone, it works on almost all kinds of fabrics with different levels of delicacy.

The External Design

The external body of the portable washing device is made of a special type of plastic which allows for the maximum amount of ultrasonic wave conduction. This ensures the maximum level of efficiency and output.

 The white color of the device along with the sleek design it has, not only enhances its portability,but also gives it the feel of cleanness and purity.

The elegant Dolfi design has won the IFA design award in 2019.

 IF Awards


The Accessories

Dolfi portable washing machine comes with two different pieces of accessories that are highly practical and useful.

A Power Plug Set

Since Dolfi comes with a standard US and EU power plug, the first item that’s offered for purchase with the washing device is an interchangeable set of power plugs with socket types I and G.

These power plugs can come in handy while traveling with the portable washing device, as they’ll allow you to use the device in any country of the world.

The Dolfi Sink Plug

The second accessory offered by Dolfi is an extremely versatile sink plug. The blue-colored rubber plug can be used to retain the water in the sink so you can use it as a basin while washing the clothes.

However, it can also work as a cover for the washing device or as a soap dish as well.


How Dolfi Portable Washing Machine Can Make Your Life Even Better

Dolfi offers some amazing benefits that make the next-gen cleaning device an ideal addition to your gadgets range.

Washes Different Types of Fabrics

Dolfi portable washing device is a perfect solution to a wide variety of fabrics. If you have some delicate material garments that are meant to be hand-washed only, then you’re in for a treat!

Fabrics like moire, cashmere, mohair, silk, lace and others aren’t washing machine friendly and they require a huge deal of caution while being cleaned. However, all these fabrics can be left for Dolfi without worrying about damaging them.

Not only is it perfect for lingerie and undergarments, but this portable washing device is also ideal for all kinds of light sportswear such as sports bras, leggings, workout outfits, sport apparel made of technologically advanced textiles, swimwear and swimsuits.

It is a great solution to wash at home shaped apparel such as light dresses, ties, hats, caps and bespoke decorated clothes such as embellished fashion or a jeweled shirt.




Dolfi is an extremely eco-friendly device that’s claimed to use about 80 times less power than a regular washing machine. It also operates on a very small amount of water - less than 10% compared to consumption of conventional washing machines that need to be continuously fed with water.


Having a portable washing device saves you lots of laundry service money. Additionally, you can say goodbye to all the tedious and time-wasting handwashing chores. And probably the biggest savings are your (often pretty expensive) favorite fashion items that will stay intact and in their best condition for much much longer if you let Dolfi to take care of them. Since Dolfi works without the need to rub, twirl, or stretch the clothes, there’s no risk of damaging them. 

Perfect Travelling Companion

Traveling with Dolfi is one of its greatest perks. The portable device is small enough to fit within your luggage without a hassle. It’s also packed with universal power plugs to allow using it almost anywhere you go.




Easy to use

One of the greatest things about Dolfi is that you don’t have to be a rocket scientist to use it. As long as you condition your water container right, all you have to do is plugging it to the wall and you’re good to go.

Works silently

If you’re tired of washing machine noises for washing even the lightest garments, then you’ll be pleased to know that Dolfi is extremely silent. That’s because our ears can't pick up or hear sound waves in ultrasonic frequencies.

The easiest way to tell that Dolfi is running by looking at its blue light  indicators when it’s powered on.


In addition to its cleaning properties, you can also use Dolfi portable device to wash and clean kids and babies small stuffed animals for extra freshness.

Although it isn’t claimed by Dolfi’s producers, according to many studies, high power ultrasonic waves also have a potent decontamination effect on fruits and vegetables.

How to Use Dolfi Portable Washing Machine Properly

Here are some tips that can help you through the process of using the portable washing device correctly.

The Type of the Container

When choosing a water basin for the washing cycle, you should look for a waterproof and hard container to serve as a water basin. Solid materials such as metal and ceramic basins are perfect for Dolfi.

The Right Amount of Water

Water creates the required medium for Dolfi’s ultrasonic waves to work. Consequently, the more water in the sink, the better the results are going to be.

Having a low amount of water in the sink means a smaller field of active ultrasound waves. This also diminishes the cleaning effect..

A golden rule of thumb while using Dolfi is to have 5 to 10 liters of water for every one or two pounds of laundry. You’ll know that you’ve added enough amount of water when the fabrics start to float freely on the surface. Be sure to leave some space between the Dolfi device and the fabric, optimal positioning would be the fabrics free-floating about 5 cm above the device.

The Ideal Water Temperature

The water’s temperature should be hot enough to maximize the effect of cleaning, but not too hot to burn your hands, as such temperature can also ruin your delicates. A warm 30 to 40 °C (85 to 105 °F) bath can do the trick.

Keep Dolfi Underwater While Running

To avoid overheating and malfunctioning, you should always avoid turning the washing device on while outside of the water or have it in an unplugged sink.

Placing the Device Correctly

Make sure to put the Dolfi device at the bottom of the sink or container with logo facing up.

If you’re going to use it on one piece of fabric with a tough stain, the fabric should be placed directly over the device with a gap of about 5cm between them. This is where the ultrasonic field is the strongest.




Pre-treatment and Detergents

Even the most powerful regular washing machine requires pre-treatment for some of the tough stains. Similarly, Dolfi portable washing device needs some external help from detergent and stain removers to remove difficult stains.

While Dolfi can work perfectly on stains like wine, blood, juices, and coffee, some thicker stains like mustard, cream, ketchup will require some detergent enhancers to remove them.

The Minds Behind Dolfi Portable Washing Machine


Dolfi is a startup company that was founded by Lena Solis, an innovative entrepreneur who came up with the idea of using the powerful technologies of ultrasonic waves for washing clothes.

The word “Dolfi” is derived from “Dolphins” to pay tribute to the most advanced users of the ultrasound on earth. Dolphins masterfully use ultrasound waves for communication, echolocation, hunting, and orientation under the water.

The idea of a portable washing machine came up to Lena Solis when she was frustrated by some local laundries experiences and hating to hand wash her clothes she was looking for a solution.

After examining the field of ultrasound technology and exploring its versatility and wide range of applications, she enrolled the best minds in the business, the Centre for Ultrasonic Engineering (CUE) and product designer Andre Fangueiro.

They then worked together to produce a miniature device that can utilize the power of ultrasound technology and solving a problem that hundreds of thousands of people face daily.

Wrapping It Up

Although Dolfi portable washing device is highly versatile and functional, it can’t replace a regular washing machine nor it can wash and clean many kilos of extremely dirty clothes.

If you’re seeking the best result out of a Dolfi washing device, then you should never use it with heavy-duty greases like engine oil, large volume items such as bedsheets and towels, or heavy fabrics such as jeans and blankets.

However, Dolfi can be a perfect complimentary device to your washing machine, as it can help protect the delicate and fragile items such as chiffon, silk, lace sheer fabrics and other fabrics that a regular washing machine might destroy.


 Unboxing Dolfi