... -3hours,USB-4~5hoursLast time:2~3hoursMaterial:ABS PlasticFunction:Support TF card, USB, FM, can connect to MP3,CD, DVD VCD, iPod, iPhone ... Cable×1Radio Speaker with USB/TF portLong press M key, start the machine,the machine can play TF/U Disk.in FM Radio state, long press ... port, it can connect Mobile phone/MP3/MP4/MP5/PC and other audio device.Detail Picture: