... phone, notebook, PC, MP4,DVD player, and any portable audio devices by the stereo jack output 1.Compatible ... phone, notebook, PC, MP4,DVD player, and any portable audio devices by the stereo jack output. 5.Built- ... 2.0 full speed,9.Audio source: USB flash drive,SD card,MP3,mobile phone,PC, notebook.10.With ... .12.Ideal for gifts and promotional items. Portable MINI Speakers with U disk and SD card port ...