... Li-polymer battery lasting 2.5hours 3.support DVD, USB, CARD REDER, GAME NEW Karaoke DVD Player with 2 speakers+Li-Polymer battery ... )Portable Karaoke Player Portable Karaoke Player with DVD Player, Analog TV tuner, FM tuner, USB, SD/MS/MMC, AV, Game, 2x MIC ... MIC support.* Powerfull 3"x2 Speakers, nice sound effect.* With DVD player, USB reader, SD/MMC/MS card reader.* With imported Hitachi ...