... Bit Rate5Kbps ~ 192 KbpsFrequency Response20Hz - 20KHzSignal-Noise Ratio90dBD:distortion<0.05%VideoPlay Format AVI,3GP,MP4,RM,RMVB,FLV,MKV ... Polymer Batteries 3500mAh/3.7V,Working timeAbout 5 HoursDisplaySize7.0"TFT, Support full-touched control,full hand-writingResolution1024*600 ... ComputerLogoPrint your logo on MID Case is availableUSB USB2.0 (FS)AccessoriesMount, Bracket, USB Cable,User manual,OTG ...