Here are the main points from the article:

* Portable air conditioners and ventilators can provide relief from the heat.

* There are different types of portable air conditioners available, including those that use water or a cooling fluid, and those that use a fan to circulate air.

* The effectiveness of these devices can vary depending on the temperature and humidity levels.

* Some models come with additional features such as USB charging, adjustable speed, and multiple fan modes.

* When choosing a portable air conditioner, it is important to consider factors such as price, size, weight, and battery life.

* Some popular brands include Jizzu, Pearl, and Gereric.

* The article also discusses the pros and cons of using these devices, and provides tips for their proper use and maintenance.