DESC: It plays the discs, such as DVD, MPEG4, Super CD+G, INX, INX2, CD+G, HDCD and CD. It also plays from USB memory devices, such as iPod®, MP3 player, USB hard drive, USB memory stick, or USB card reader. You can store up to 49,999 karaoke songs per folder in your USB device, and plug & play without burning a disc.