memory module--MP3 Modules Built-in Memory 1.With NAND-FLASH memory,can play for a long time. 2.End-users ... advantages of built-in FLASH(compared with SD card) is: remove mechanical contact, not loosen, without cards'compatibility issues. Therefore, ... such as intelligent navigation of refrigerators, air conditioners, induction cooker and so on, as well as advanced toys, automotive electronic systems ...