How to play Feida 2002d power amplifier with usb?

The play steps of that play are as follows:

Make sure that your USB flash drive is correctly inserted into the USB port of the power amplifier. Find the conversion of the playback mode in the playback settings of the power amplifier and convert it into the U disk playback mode. In this way, the power amplifier should be able to automatically identify the songs in the USB flash drive and start playing.

If it is found that the power amplifier cannot automatically identify the USB flash drive, it is necessary to check whether the format of the USB flash drive is accepted by the power amplifier. Most power amplifiers support USB flash drives in FAT32 format. If the format of the U disk is incorrect, it needs to be formatted as FAT32 format.