... 5hoursLast time:2~3hoursMaterial:ABS Plastic, Wooden BoxFunction:Support SD card, USB, FM, can connect to MP3,CD, DVD ... :13*13*14 cmProduct Weight:834gIntroduction:1`Support SD card, USB, connecting your MP3,CD,DVD,VCD,iPod ... about playing 3 hours.7`Easy and convenient control wireless speaker.8`Can connect to computer for power ... -I5 support iphone, nokia, blackbarry, MP3,MP4,laptop,PSP,PC,Micro SD card