... 5hoursLast time:2~3hoursMaterial:ABS Plastic, Wooden BoxFunction:Support SD card, USB, FM, can connect to MP3,CD, DVD VCD ... Size:13*13*14 cmProduct Weight:834gIntroduction:1`Support SD card, USB, connecting your MP3,CD,DVD,VCD,iPod, ... input.4`Built-in FM radio and high quality digital amplifier.5`5-inch magnetically-shielded speaker6`can continuous ... nokia, blackbarry, MP3,MP4,laptop,PSP,PC,Micro SD card