The cargo container is an application that controls home devices via Bluetooth. The control objects are outdoor portable fans, etc. It can switch between 5 languages (English, Korean, Japanese, Traditional Chinese, Simplified Chinese). The default language follows the system language. Enter the page, and click Add Device. At this time, the application starts to search for devices nearby. Click on the searched device to automatically pair successfully to enter the control page. Click and hold the added device to rename and delete the device, click the added device to enter the control page, then the remaining power of the product, gear control, and timing control can be seen. Slide the slider to the left or right at the gear position to increase or decrease the gear. Slide the bar left or right at the timing gear to increase or decrease the timing time, etc.