1.Main chips: mstars-IV,dual-core. 2.CPU:ARM11,500MHZ . 3.Display: 7.0" TFT Screen. Product DetailsMain chips: SIRF Atlas-IV,dual-core ... .CPU:ARM11,500MHZ System:Microsoft Windows ® CE .Net5.0 Core ... Version. MP3 type:WMA,MP3,WAV MP4 Type:AVI,MPEG,MPG,ASX,DAT,ASF ...