... -3hours,USB-4~5hoursLast time:2~4hoursMaterial:ABS PlasticFunction:Support TF card, USB, FM, can connect to MP3,CD, DVD VCD, iPod ... Size:12.5*6.5*3cmProduct Weight:113gIntroduction:1`Support TF card, USB, connecting your MP3,CD,DVD,VCD,iPod,iPone,GPS ... .06CBMNet Weight: 21KGGross Weight: 22KG If you are interesting more portable speakers, please contrace me any time. Mini Speaker with TF/USB/FM