O.S. Android 4.1.1 OS Hard platform MT6577-1.2GHZ Dual-core / MT6575-1GHZ / MT6515-1GHZ Memory ROM:4GBit + RAM:512MB/1G(Optional) Screen 4.0" QHD (960*540pixels) , Multi-touch Capacitive Camera 5MP AF +1.3MP front camera,flash light Frequency WCDMA 2100/850 (HSDPA) ,GSM 850/900/1800/1900 Dimension 123.8x58.6x7.6 (Unit:mm) T-flash card Support TF-Card up to 32GB Wifi and 3G 802.11b/g/n ,support internal 3G SIM card one sim card Language multinational languages. GPS GPS+AGPS Support Mobile AP,wifi,GPS+AGPS,GPRS,Light sensor,3D-sensor,Proximity sensor,MP3,MP4,java,FM,bluetooth,flashlight. Assistant toosl calendar,recorder,calculator,world clock,alarm,stock software. Charger micro 5PIN charger Battery 1800mAh ( Talking time: 120-150minutes.Standby time:120-180Hour. ) Accessories 1 Charger,1 Headset,1 Data Cable,1Packing box. Packing Box: ; Carton: ; Weight:16Kg(50sets) Color white,black