Abacus24-7 8 GB micro SD Memory Card with Adapter for ZTE Maven 2, Warp 7, Warp Elite, ZMAX Pro, ZMax 2, Blade, Maven, Sonata 3, Axon 7, Blade G Lux, Obsidian Expand Storage for your device 8 GB Memory Card, Class 10 Speed rating SD 2.0 Spec Compliant