Since this device is in FEL mode, you cannot simply "use" it like a USB drive. You need specific software to interact with it:
This device is an Allwinner-based gadget—likely a cheap Android tablet, an Orange Pi/Raspberry Pi clone, or an ebook reader—that is currently plugged into your computer in "Flashing Mode." This mode is used to flash custom firmware (like Android or Linux) onto the device. usb vid 1f3a&pid efe8&rev 02 3 driver
Refers to the specific revision of the chip or hardware version. How to Install the Correct Driver Since this device is in FEL mode, you