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If you are traveling Bluetooth Speaker/ Travel Echo Dot, definitely you need to think of a good case for it. Let's cover some of the important matters to be considered while selecting the case.

1. Quality of the material: There are plenty of varieties available out there in the market. However EVA (Ethylene-vinyl acetate) material is the one accepted as the high-quality material available. It is a bit more expensive compared to other alternatives. But it's worth spending.

2. Design and size: The size and design matter a lot when it comes to Bluetooth Speaker/ Travel Echo Dot cases to get the most out of it. Bluetooth Speaker/ Travel Echo Dot comes in a wide variety of sizes and designs. Keep an eye on these specs of your device when selecting the case. Even a slight size difference can ruin the features like shockproof and can easily cause internal damage to your device on an event of an accidental drop.

3. Portable: This does not refer only to the size of the product. Even if the product is small, make sure that it is made intending the portability.

4. Durability and quality: When it comes to durability we have no option other than listening to other consumers. But obviously, we can do a feature check before buying the product. Look for the quality features such as compression resistance, scratch proof, shockproof, waterproof etc on the case you are selecting.

5. Interlayer design: Most of us either forget or not giving much importance to this when selecting the product. But in reality, this is something adds a lot of value to the whole experience. The interlayer design gives ample space for your cables and accessories of the product and protect the product from scratches and build damage.

6. Warranty and guarantee: Last but not least. The warranty and guarantee play a big role. Look for it on the product you choose. Anything which covers a lifetime is better.

Some of the cheapest but best options here to choose from:

Hermitshell Hard EVA Travel Case: https://amzn.to/2NmUnxi

iGadgitz Black EVA Carrying Hard Travel Case: https://amzn.to/2NTZg0p

711TEK Hard Case for Smart Bluetooth Speaker, Portable Carrying Travel Echo Dot Case: https://amzn.to/2DoLm2v

JBL Flip 4 Portable Bluetooth Wireless Speaker Bundle with Protective Travel Case - Black: https://amzn.to/2DeZriH

If you are planning to buy a projector, then you must be seeing so many options such as Gaming, Office, High Performance, Value, Premium, Education, Next Gen etc. Basically there are only 3 technologies widely used for the making of consumer projectors. They are LED, LCD and DLP. Just imagine our TV technologies LED, LCD, Plasma and CRT etc. Then the question is can't we use the LED TV for education purpose? Or can't we use the LCD TV for office purpose? We can use any technology or any type of projectors for any purpose. Same logic applies on projector as well. There are few specially designed for certain purpose. Say for example, a gaming TV. What does it mean? A gaming TV is a normal TV with the a little higher picture refresh rate than other consumer TVs. This doesn't mean that a gaming TV cannot be used for any other purposes or any other type of TV cannot be used for gaming purpose. The same applies for the projectors as well. Just know little more about LED, LCD and DLP. Then jump into your projector selection leaving other marketing techniques away.

DLP, LCD, and LED Technology

The technology used in projectors can generally be broken down into two types: transmissive or reflective. Because LCD projectors pass light through the LCD panels rather than bouncing it away, they are considered a transmissive medium. A DLP projector uses mirrors to direct the light in an image, so it is considered to be reflective.The third type of projector discussed, an LED projector, is named for the light source, not the type of projection technology.

How DLP Projectors Work

DLP projectors first appeared on the market in the 1980s, and they rely primarily on a DLP chip (called a digital micromirror device, or DMD), comprised of up to 2 million tiny mirrors, no wider than one-fifth the width of a human hair. Each mirror in this chip is capable of independent adjustment, moving toward or away from the light source to create a dark or light pixel. At this point, however, the image is in grayscale. Color is fed to the DMD by a beam of light that passes through a spinning color wheel before it reaches the chip. Each segment of the color wheel delivers one color. Basic color wheels support red, blue, and green, whereas more advanced color wheels support cyan, magenta, and yellow. While these chips can create up to 16.7 million colors, a DLP projector with a three-chip architecture can deliver up to 35 trillion colors. After color reaches the DMD, the image is fed through the lens and onto the projection screen.

Advantages and Disadvantages to DLP Projectors

DLP projectors require less maintenance than LCD projectors because they have a filter-free and sealed chip design, which means dust cannot settle on the chip and cause an image spot. They are effectively immune to color decay. Furthermore, they are not subject to the misalignments that can occur in LCD projectors with a three-panel design, which require each panel to be in perfect position to combine the image at the proper angle. However, DLP projectors with slower color wheels may give off a rainbow effect, which is when bright flashes of color appear on the screen, like rainbows.

Also, although the chip is sealed, other components are not, so dust can settle on the color wheel and affect image quality. Another disadvantage may be the poor viewing range. Most DLP projectors are not readily compatible with zoom lenses or lens shift functions, which means they are best suited to smaller environments. This would likely not be the best choice for a large home theater projector.

How LCD Projectors Work

LCD projectors have also been around since the 1980s, and use the same liquid crystal displays that create the images in watches and other electronic devices. Specifically, most LCD projectors use 3 LCD technology, a patented system that combines three liquid crystal displays. An image is created in a multistep process, which begins with the light source providing a beam of white light. The white light is passed to three mirrors, called dichroic mirrors, that are specially shaped to reflect only a certain wavelength o flight. In this case, the mirrors reflect red, blue, and green wavelengths. Each beam of colored light is then fed to an LCD panel, which receives an electrical signal that tells it how to arrange the pixels in the display to create the image. All three LCD panels create the same image, but they have different hues because of the colored light passing through the panel. The images then combine in a prism, creating a single image with up to 16.7 million colors that is passed through the lens and projected onto the screen.

Advantages and Disadvantages to LCD Projectors

The technology in LCD projectors is more established and reliable than film projectors. However, they may still require maintenance, as pixels can burn out and dust particles can interfere with image quality. On the other hand, LCD projectors have no moving parts, as DLP projectors do, and they are generally less expensive than their DLP counterparts. They also support setups in larger rooms where a greater projection distance is needed, because they are compatible with zoom lenses and lens shifts. This makes them great for larger, at-home cinema projects, as long as there is a smooth projection surface available.

How LED Projectors Work

LED projectors are defined not by the display technology used, but the lighting. In fact, some DLP projectors with "solid-state illumination" technology are actually LED projectors. Another type of projector, the pico projector, commonly uses LED technology as well. Pico projectors are essentially handheld devices that use LCoS, or liquid crystal on silicon, which is similar to an LCD panel but reflective rather than transmissive. In these cases, the projector replaces the traditional lamp with longer-lasting and more efficient LEDs, colored in red, green, and blue. In DLP projectors, this also replaces the color wheel technology, instead letting the red, blue, and green LEDs shine directly on the DMD chip.

The Advantages and Disadvantages to LED Projectors

The LEDs in an LED projector have a much longer life than traditional projector lamps, rated at 10,000 or even 20,000 hours as opposed to 1,000 hours to 5,000 hours. As such, the LED light source is meant to last the entire life of the projector without ever needing to be replaced. This is a big advantage in multimedia setups because replacing traditional lamps can be a major expense in projector maintenance. There is no warm-up or cool-down time needed because the LEDs are much more energy-efficient than traditional light sources, and they are also much quieter. This reduces maintenance and operating costs.

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