1. HDD Player,3.5 HDD media player, 2. 3.5 inch hdd player with sd / mmc function HDD Player,3.5 HDD media player,3.5 inch hdd player with sd / mmc function Features:Supports music/ ... ASF, VOB, DAT, Mp4, MPG Supports IDE 133 HDD storage capacity up to 500GB File system: FAT32, NTFS ... button control 40Mbps high-speed USB2.0 HDD Player,3.5 HDD media player,3.5 inch hdd player with sd / mmc function