※Please read the description carefully and purchase only if you agree※ SONY portable CD player D-375, with ESP function. Power-on and basic operation have been confirmed. Playback, pause, volume, and other basic functions have been tested. Uses AA batteries. No accessories other than those in the product photos are included. As the testing period was short, there may be functions I am not familiar with. If you have any questions, please ask in the comments before purchasing. I will confirm them. #SONY #PortableCDPlayer #D-375