.Compatible with devices:Mobile Phone,MP3, MP4,TF Card, SD Card,DC player, U flash disk .be recharge .exrenal ... DC 5V12.packaging:1 paper box 13.Support TF card U disk audio play14.Support MP3 / computer/cell phone ... - Support by connecting with U disk and inserting Micro SD card, MP3 format music - PC, laptop, computer, MP3, MP4 ... Why you choose us? N685 USB/SD/TF card football shape mini speaker