1,windows 6.1 phone C6 2,within GPS navigation 3,Wifi phone Frequency :GSM850/900/1800/ ... :122gScreen :3.5"touch screen,650K HVGA,PX:480*320Camera :2.0Megapixel,the max photo out is 1600*1200,built-in ... .11b/g),EDGE(class10),GPRSUI :windows UI,switch freelyBluetooth :Bluetooth 2.0+EDRMusic :WMA,MP3,eAAC+Video :Mp4,H.264/AVC ... download MP3 as SMS ring.. Windows 6.1 smart phone C6 phone