... 3,Wifi phone Frequency :GSM850/900/1800/1900Size :115*62.6*12.7mmWeight :122gScreen :3.5"touch screen,650K HVGA,PX ... -in 8GB TF card memory Operation system:windows mobile professional 6.1GPS :Built-in star sirf III navigation,uprate maps for ... ring an messages and multimedia messagingSupport:SMS,MMS,can use download MP3 as SMS ring.. Windows 6.1 smart phone C6 phone