1,3.5inch touch screen 2,with Wifi 3,dual sim card Screen :3.5inch touch screen 16 million colorRing :72 chaord ringtone Support ... set Mp3 ringSupport :Wifi wirelss internet access/BluetoothOther function:Full screen handwriting,calendar,Alarm,world time,calculator,e-books,hands-free ... ,GPRS download,telephone recording,audio recording...etc 3.5inch touch screen 3GS phone