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There is no air filter at all. This is a big technology trap. I thought this was an air filter, but it's not. People often wonder why I put this on the car. This is an air filter. Air Clean. A lot of people buy this and it's cheap. It's about 800,000 to 900,000 VND on Shopee, Lazada, etc. Its function is to smell and ventilate. This is also very cool. Now let's take it out and see what's inside. We will also analyze why we have to use a smell detector on the car. In Vietnam, there are a lot of brands that make this kind of air filter. I think the structure is the same. Air filter, smell detector, ozone filter. It has a battery, so you don't have to charge it. That's pretty much it. It's very tight. It doesn't seem to have any screws or anything. It's probably just a body. But it's cheap, so I'll take it out and see what it's like. Damn it. I think it's ridiculous that the air filter can't be replaced. I don't know what it's for. I'll take it out and see if it works. In fact, people always get it wrong about the mechanism of these air filters. Oops. That is, it will create an ozone gas. It will pull the dust down. There. Damn it. If I take this out, it will leak. What does it mean? It will create an ozone gas. It will pull the dust down to the surface of the tire. Then I'll clean the dust on it. It can't breathe. If we talk about creating ozone gas, we just need to buy a small flashlight. It costs about 200,000 VND. It can create ozone gas and suck the air down. You don't have to buy a big one like this. Damn it. It's broken like this. Can you hear it? A device like this can't filter the air. Definitely. Can you hear it? It has a very large battery. 3000 mAh. 3000 mAh is equivalent to a small mobile phone. It can run for 4 hours without running out of battery. This button is still on. The mechanism of this device is that it has a small fan here. There is no filter in here at all. You can definitely see the fan here. There is a fan here. I'll take it out. The need to have an air filter on the car is a need that everyone needs. Usually, new cars now have a dust filter. PM10 and PM2.5 But that filter is in the air vent. It only filters the air. It only filters the dust when driving. But when we drive, open the windows, open the door, go out, go in. Even when we get in the car, the dust will still get in. In an environment like a car, if there is too much dust, it is very dangerous. At the same time, it also has the ability to smell. Actually, today I came down here. CNTK said that there is a new machine from Korea. It looks big in the back. I'll try to install it. But the problem is that we have to analyze what it contains. Here. You can see it very well in here. It doesn't have any air filter at all. So I can confirm that this is just a device that emits a negative ion. To keep the dust down. It doesn't have the ability to filter the air as advertised. For sure. When I turn it on, this fan runs. I made it for my brothers. My brothers thought it was a fan that sucked the air out. But it doesn't have any filter. It's just a fan running like this and a light up here. It doesn't have any filter at all. This is also a trick of technology. In the past, I thought this was an air filter, but it wasn't. If you need a device that emits a negative ion to suck the dust down, you just need to buy a few hundred thousand lights and plug them in. It's like this. Here. iPuri. This one must be big like this to be able to filter the air. It has a filter cover. It looks pretty expensive. It has 5 filters. It's very simple. Here. HEPA 13. AKT-HON. HEPA 13. ANTI-BACTERIOL COMPER FILTER. Do you speak German? There are 3 languages here. English, German and French. But I speak German. It's terrible. The letters are all the same. Here. PRE FILTER. PHYDOS FILTER. PHYDOS is the big dust. ANTI-BACTERIOL COMPER FILTER HEPA 13. ACTIVE CARBON. ACTIVE CARBON has the function to remove the smell. ACTIVE CARBON is the carbon. Just guessing. It will go in here like this. And it will be installed in the bottle like this. It has a control stick on the car. I will control it on the car. And it will be installed behind. Do you remember when I talked about Xiaomi's air filter? It's as big as a barrel. It will be installed here like this. There. It will be installed like this. Okay, let me install it. Hey, install it for me. I just installed this one. This one is very good. It will be like this. It is the one that creates the smell. The device is very small inside. But now it's just simple like this. You can play with this one. It will smell very quickly. Put it in here. There. Put it in here. The cable is too long. I will connect this cable later. There. It will smell like this. The other one. If you turn it on, it will make a wind noise. Actually, in the car, it also creates a relatively noisy sound when I don't turn on the music. But if you put this in, it will not make a wind noise. It just creates a noise. It's okay. Put this one here. When we installed the other one, we researched about this one. This is a new program. This time, I was inspired by Korea. This device is now very popular in Korea. This is the best-selling product in Korea in recent years. In Korea, people use this one. It is Fivoo. It is a strange brand in Vietnam. This is a program. It looks strange. I thought it was made of metal. But it's actually made of plastic. It's not metal. In fact, in addition to the video recording function, it also records before and after. It has some outstanding points. Such as very beautiful image recording. HDR, 2K, and clear resolution. Like other programs, it has a more outstanding feature. It is the ability to record the shape of the vehicle. It can record for hundreds of hours. Hundreds of hours. It never worries about running out of memory. When we go somewhere far away for about half a month, it can record everything in half a month. It doesn't have to worry about the battery. Even on the control software, it can choose how long the battery will last. 60, 80, 50, 40. It will record the battery itself. In addition, it has some very modern features. For example, anti-memory. Super charge. What does super charge mean? It means that when the power is lost, it can still last for about 5 seconds. Even if the power is out. Anti-memory, it will make your memory look like it has a clear memory. It never breaks the memory. That's pretty much it. After installing this, I can guarantee that in a few years, I will never have to worry about memory loss. I can always keep the image. There is one more interesting thing. It is also very rare. Cam now has its own GPS device. This device is for those who stick metal pins. It loses GPS. You can use this device to increase the GPS speed of the device. It can track the speed of the journey and everything. That's it. The only thing is that the power button is very mechanical. It's not very good, but it's still the easiest thing to use. For example, if you want to turn off the power for a while, like on normal machines, you have to pull out the cable and pull out the plug. It's pretty convenient. And all the necessary buttons are also very intuitive. For example, you notice that the Vietmap or Xiaomi 70mai cameras have to be searched for a long time in the menu to turn on the Wi-Fi to get the image out of the memory card and take it on the phone. But this one has a button to turn on the Wi-Fi and connect it. And the power button and power off button are sometimes very good. But most of the time, I record everything I say on the car. For example, I go home with someone and forget to turn off the power. My wife turns on the Wi-Fi and turns off the power. That's it. This is a pretty good product. This is a good product, so the price is not cheap. So don't compare it with cheaper products. Good products are expensive. Good products are cheap. Don't compare them with cheap products. Is it cheap because I have money? If I have money, it's cheap. If I don't have money, it's expensive. It's loading. So many things. There is a Korean phone. Samsung phone. That's it. But I have to say more about Samsung. And the Fivoo brand is the offspring of Blackvue. If you've been driving for a long time, as old as I am, you'll know that brand. It was very expensive in the past. Now there is Fivoo. Blackvue and now Vootote. That's it. Fivoo. I've finished installing it. After today, I took it out and tested it. I tried the air compressor on the Internet. I found that installing the iPury is also very good. The control panel is very neat. The machine is in the back. When I opened the car door, it turned green like this. If you sit in the back, you will hear the sound of the fan blowing wind. It's pretty clear. But when I sit in the driver's seat, I can't hear anything. It was green, but now it's blue. The air in the car is very good. And this is the sensor. When I get in the car in the morning, it will tell me the air in the car after a night. I think this is good for your health. And it looks real. It feels like it can be sucked and handled well. It's a lot cheaper than the machines here. And it's not very expensive. I was given another ionizer. This ionizer will charge and the light will blow out the ionizer. And the dust will fall on this surface. When I want to clean it, I can clean this surface. That's all. It's neat and looks good. It looks modern, so I can turn it off. Turn it off. Turn it on. When I leave it on, it will automatically detect the polluted air and turn it on. It will run, and when it feels good, it will stop. When it's polluted, it's green, it's green. Oh, I'm leaving the car outside to clean it. Thank you for watching. Goodbye.