Android 2.2 , 3.5", Dual 3G Sim Qualcomm 528MHz Wifi, WCDMA21000 Bluetooth 2.0 A-GPS 3.2 -mega- camera DETAILModel: ... KT-SK170 Signal systemDual SIM card standby; GSM, WCDMAFrequency rangeWCDMA21000(3G), GSM, EDGE, GPRS, HSDPAScreen size3.5 ... USB interface,USB 2.0,3.5mm earphone interfaceGPS locationsupport GPS,support A-GPS net assist navigation functionWIFI(WLAN) ...