Mtk6755 chipset(x10 deca optional) Cpu:1.8ghz octa core Ram:2gb+rom:16gb;3g+32gb;4gb+32gb(optional) Gsm850/900/1800/1900mhz wcdma850/2100mhz Fdd: 2100/1800/2600/800 (b1/b3/b7/b8/b28) 5.5" ips fhd 2.5d display;6.0" fhd display(optional) 1920*1080 pixels resolutions;1920*1080 (optional) Android os, v6.0 marshmallow 5.0mp+13.0mp camera;8.0mp+13.0mp (optional) Support wifi/bluetooth/wap/gprs Support fm radio/mp3/4 player/gps+agps navigator Golden�?�metallic material Li-ion 5v-2600 mah battery -