If we are one of those who have a home theater set up, we are surely used to seeing all kinds of content such as series, movies or sporting events on a big screen.But if we go on a trip, we may want to continue enjoying our favorite content, even if we don't have a television.In this case, a mini projector can be ideal since we can see all kinds of content as if we were in a movie theater.As is logical to think, the image quality of these compact models cannot match that of their older brothers, but in return they offer us much more versatility along with other advantages, especially when traveling and taking them with us.For this reason, today at Topes de Gama, we are going to talk about mini projectors, what they are, what characteristics they should have and what are the best options to buy.A mini projector is responsible for fulfilling the same function as a traditional projector.This makes it an optical device that is responsible for receiving the video signal so that, once processed, it is sent using a lens system to a screen where it can be viewed.This makes it capable of displaying both still and moving images.The main difference that we are going to find, as we can guess from its name, is the size.And it is that these have a very small size, even similar to a mobile or a tablet.Based on this, they are ideal to take with us anywhere.These are designed to be quick to use on any flat semi-solid surface like your screen and don't require as much adjustment or precision as a traditional projector.They are typically used in small rooms for on-the-go entertainment.This tool is capable of creating a home theater system for our trips, due to its portability.We may not get the best quality picture, but they should be bright enough and large enough for medium rooms.We can even use it outdoors by projecting it, for example, on a white wall.As with any other electronic device, mini projectors have both advantages that make them stand out and be useful to us, as well as drawbacks that can make us doubt if it is really what we are looking for.Therefore, we are going to review what are its strengths of this type of device and also its greatest weaknesses.The main advantages they offer are:Before buying we must also have those drawbacks that we can find with respect to a traditional projector such as:Based on this, a mini projector is indicated to be portable and to be able to take it anywhere where we do not have a television.It's ideal for entertaining the kids with a movie outside or in a game room.Once we are clear that it is a mini projector, what it can be used for, as well as its main advantages and disadvantages, we must know some characteristics that we must take into account before launching ourselves to buy one.At first glance, they may all seem quite identical to us, but their specifications can vary significantly.Next, we go to see the cheapest mini projectors for those users who prioritize the economic aspect over other aspects.These can be ideal to be used with children, since they will enjoy a lot without requiring the maximum demand.It is a small and light projector.Its measurements are 14.2 x 9.4 x 5.2 cm for a total weight of 347 grams.It is capable of reaching a resolution of 800 x 480 pixels natively, reaches a brightness of 2000 lumens and an aspect ratio of 1000:1.It has various inputs since it has both USB, HDMI, AV, Micro SD card slot, as well as 3.5 mm audio output to connect headphones.It is compatible with all kinds of devices such as the Fire Stick, a PlayStation 4 console, mobile phones, tablets, laptops, etc.It is capable of projecting images, movies, TV shows, videos, and games.In addition, it is ideal when viewing very long projections, since it does not cause eye damage.We can buy it on Amazon for around €70, although there are always occasional offers.We are talking about a mini projector, despite its small size, it is capable of projecting at a native resolution of 1280x720p.Its measurements are 13.72 x 10.92 x 5.84 cm for a total weight of 420 grams.It is capable of reaching a fairly high brightness of 7,500 lumens and a contrast ratio of 5,000:1.In this way it is able to achieve much more colorful projections.It has HDMI, USB, Audio and AV inputs to connect a PC, tablet, mobile, PS4, hard drive, Fire Stick, etc.It also has a small and complete stereo speaker, which will be able to give us a three-dimensional viewing experience that we will not be able to achieve with a mobile phone or a computer.In addition, it is very easy to use, since by simply turning the focus wheel and the ±15° keystone wheel, we can obtain a clear and bright rectangular image.Its price is around €60 on Amazon.We are going to talk about a mini projector capable of offering a native resolution of 1280 × 720 pixels, reaches 5500 lumens of brightness and a 3000: 1 contrast ratio to achieve clearer and more realistic images.Its measurements are 13.72 x 7.11 x 8.64 cm for a total weight of 420 grams, which allows it to be very portable, being ideal for traveling.It is equipped with HDMI, AV, USB and audio ports, allowing us to connect external speakers, our computer, a Fire Stick, consoles and mobile phones, among other devices.This projector supports front, ceiling and rear projection, and its lightweight body allows us to easily mount it on the ceiling.It has ±15° trapezoidal distortion that will help us correct non-rectangular parts of the screen and obtain a clearer image.Its price is around €65.99.If we are looking for a high-quality mini projector and we can afford to increase our budget, we are going to see the best purchase options that we can choose.We are hardly going to be able to find a projector as small as this one since it fits perfectly in the palm of our hand.Its measurements barely reach 9 x 8 x 5.5 cm for a total weight of only 204 grams.This means that we can store them perfectly in a pocket or in a backpack.Its native resolution is 854 x 480 pixels, being able to project a maximum resolution of 1080p.It has an integrated 3000 mAh battery which allows us to use it without plugging in for over an hour and a half with a full charge.It is equipped with a DLP chip as well as reflective projection technology.This makes its 2000:1 contrast ratio superior to other LCD projectors with the same resolution.In this way we get clear images by eliminating noise to offer more vivid colors.In terms of connectivity, it only has an HDMI input, to connect a computer, Chromecast, PS4 and Fire Stick.Its price is around €160 on Amazon.This mini projector is capable of reaching a native resolution of 1920 x 1080 pixels and even supports 4K.It has a brightness of 4,800 lumens and a contrast ratio that reaches 10,000:1, which allows us to enjoy a great visual experience.Its measurements are 12.5 x 13 x 20 cm for a total weight of 1.45 kg.By having a curo handle we can transport it comfortably by hand.In addition, it includes its own bag for transport.It also has WiFi, which will allow us to use it to connect wirelessly with our mobile.It also has USB input, HDMI, audio output, being compatible with all kinds of devices such as TV Box, PS4, PC, etc.The projector has dual stereo speakers that will allow us to enjoy great sound, being compatible with headphones and other audio systems.We will be able to adjust the focus through its remote control and thus obtain the clearest projection image.In addition, its powerful cooling system effectively cools the heat from the bulb and is capable of extending the life of the bulb to 55,000 hours.This means that we can use it for more than 15 years.Its price is around €120.This is a spectacular mini projector, much more powerful than its size might lead us to believe.It is capable of projecting images at 720p resolution and with 200 ANSI lumens, so that it puts at our disposal a portable entertainment device in high definition.Its measurements are very small (8 x 8 x 15 cm) and a total weight of 725.75 grams.It has automatic focus and keystone correction technology, which allows it to emit a very sharp rectangular image from any angle.Its 9700 mAh rechargeable battery offers up to 4 hours of video playback.Inside it has its own operating system, Android 8.1.This, together with the fact that it has 16 GB of storage, allows us to download applications such as Netflix, YouTube, etc.This makes it possible for us not to need an external device from which to send the signal.In addition, it has a connection via WiFi, Bluetooth, HMDMI, AUX and USB-C, along with an 8 W speaker. It can be purchased on Amazon for around €425.A super high-end mini projector, equipped with DLP technology to project images at 720p resolution and 500 ANSI lumens for great video clarity.It has dimensions of 17.78 x 12.19 x 13.79 cm for a total weight of 1.78 kg.To listen to any content, it has a double 10 W speaker, with powerful bass, thus obtaining a great immersive capacity.Inside it has Android 7.1 from where you can download applications such as YouTube and Netflix.We can connect the mobile or tablet directly via WiFi wirelessly.It also has an HDMI 1.4 connection and a USB port to connect a flash drive.Its battery allows us to enjoy up to 3 hours of playback on a single charge.In addition, it has a remote control to control the device remotely.Its price is around €570.As we have seen, we have a wide variety of mini projectors to choose from.All of them are portable, ideal to easily carry from one place to another.When choosing between one and the other, it will depend a lot on the budget we have.If we have a more limited budget, we can opt for a very portable mini projector with weights below 500 grams that allow us to store them in a backpack.We will be able to obtain a more than acceptable quality of 720p and many connectivity options.Here, we like the YOTON Y3 which is capable of 7500 lumens high brightness and 5000:1 contrast ratio.In the event that the budget is not a problem and we prioritize having a more complete device, the Anker Nebula Capsule Max can be a great option.It has its own integrated operating system and internal memory to be able to install streaming video applications.It also has a powerful 10W speaker and although its weight exceeds 700 grams, it can be carried easily thanks to its handle.