BLU Vivo Air LTE Smartphone - GSM Unlocked - Black Operating System: Android 5.0.2 Lollipop RAM: 2 GB ; Storage : 16GB Chipset: Qualcomm Snapdragon 410 ; Processor: 1.2 GHz ARM Cortex A53 Quad-Core Supports 4G (LTE ) Bands:2, 4, 7 Unlocked, and Single SIM