cargo container is an application software that controls home devices via Bluetooth. Control objects include outdoor portable fans, etc. It can switch 5 languages ​​(English, Korean, Japanese, Traditional Chinese, Simplified Chinese) and the default language is to follow the system language. When you enter the page, you can click to add a device. At this time, you will start to search for the devices around you. Click on the searched device and it will automatically pair successfully and enter the control page. Long press on the added device can modify, rename and delete the device. Click on the added device to enter the control page. Then you can see the remaining power of the product, gear control, and timing control. Slide the slider left or toward the gear to increase or decrease the product's gear, slide the slider left or toward the timing gear to increase or decrease the product's timing time, and so on.