ZTE Axon 7 Unlocked smartphone,64GB ROM 4GB RAM, US Warranty (Grey) The Best sounding and listening smartphone with hifi audio - highest Quality sound reproduction and amplification of music/video playback and record. Optimized Camera experience takes great still images and video with minimal manual operation - larger Camera, 20 MP rear and 8 MP Front facing cameras, for higher Quality images Fingerprint customization - launching apps, taking pictures, for security and to launch other application Beautiful Industrial design with continuous smooth Surface that feels great in your hands 3250 mAh battery with Qualcomm quick charge 3.0, Expandable memory Android M (6.0.1), Qualcomm Snapdragon 820 Processor Superior performance powered by the Snapdragon 820, Adreno 530 GPU, and 4GB of RAM.