USB 2.0, 4GB, 5GB, 6GB, 8GB HDD 1.5?262K color TFT, support OTG digital partner Support language selection (Chinese & English) etc. Support AVI, digital book, voice record Support MP3, WMA format Game playing, FM radio, line in Digital record, repeat, lyric display Battery Maximum working time last for about 10hrs Product Size(L/W/H): 88.3mm ?55mm ?19mm