It can be used, as long as it is not a special model memory card.

Mobile phone memory cards can be divided into: TF card, MMC card, SD card

Before doing this, first confirm which format of memory card MP3 can support.

If you are not sure, you can try it first to see if it works. It can be used, OK. To save data, it is recommended to format the memory card and then download the music.

If you are not sure, you should pay attention when purchasing. 2. MP3s are available with or without memory. Please confirm whether the MP3 supports external memory cards.

If supported, the advantage is that it can increase the memory capacity, which is convenient, and there are many channels for downloading music.

If it is not supported, no problem. It won’t be a waste to buy a memory card in a card holder.