Lenovo VIBE Z2 5.5 inch Android 4.4 Smart Phone,Qualcomm Snapdragon410 Quad Core 1.2GHz, RAM: 2GB, ROM: 32GB, Grey Qualcomm Snapdragon410 Quad Core 1.2GHz CPU Android OS 4.4 operating system 5.0 inch TFT IPS Screen, 720*1280 resolution, 294ppi 2GB RAM + 32GB ROM Power by 3000mAh battery