... convenience. This multimedia player can be used as speaker for cell phone, computer, mp3, mp4 and other players. ... It also supports Udisk, SD/MMC card, card reader input ... light Built-in Li-ion battery Support Udisk, SD/MMC card, card reader input, auto search ... Product NoteJack: USB, DC in, Audio in, SD card slot Package Contents for Model: 1×Media player1 ...