Certification:CE Warranty:12 Months Operating system:Android 5.0 Screen size:6.86 inches IPS HD screen CPU:MTK6582 ARM A7 quad core 1.3Ghz GPU:Mali400 Mp2 RAM ROM:1G DDR3 16G Memory extension:128G Resolution:1280xRGBx480 Contrast:500:1 Touch screen:G+G capacitive multi-touch screen Battery:Lithium polymer battery 3.7V 900mAh