Media player,Seven colors LED light,Built-in Li-ion battery Support Udisk,SD/MMC card,card reader input,auto search mp3 It is ... multimedia player can be used as speaker for cell phone, computer, mp3, mp4 and other players. It also supports Udisk, SD/MMC card, card ... soon as possible!FeatureMedia player Seven colors LED light Built-in Li-ion battery Support Udisk, SD/MMC card, card reader input, auto ...