... ,back 2MPI/O PortUSB 2.0,HDMI,TF/Micro SD card reader,3.5mm earphone jac,Mic jack,DC portOTGHard disk, U ... 266.6*176.6*9.3mmLithium Battery7000mahWeight660gStandby-time 100 hoursVideo player Support Full HD 2160P, Support all format ,TS, H.264 ... , AVI, WMV, MPG4, RM, RMVB, MKV, 3GP etcAudio player WMA, MP3, WAV, OOG, AAC etcOnline Chat MSN, QQ, SKYPE, GTALK, etc ...