... support TF card extension up to 32GB maxDisplay Size5.0 inch 16000K colors multi touch capacitive touch screen, 1280*720pxRingtones ... /KeypadGPSYes, built inWIFIYes, 802.11 b/g/nBluetoothBluetooth 2.0Gravity SensorYesStandby TimeAbout 2~3 daysOther Feature3G, WIFI, GPS, FM, play store, ... are with 1 year warranty! MTK6589 5.0" Screen Qual-Core 1.2GHz CPU 1GB RAM 4.2 OS Android 3G Mobile Phone