... 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 ... :1500mAh. TF/MMC: TF/MMC.GPS Receptor: Atlas IV. Resolution: 800×480,16:9 .Display: 7.0" TFT Screen .