Yezz Andy 4E2 Unlocked Android Phone, with Interchangeable Colors Back Covers - Black Free additional back cover available inside. More colors sold separately so you can decide your style Android Smartphone - 4.0 inch Display plus 5MP Camera and 1.3MP Front Camera. Unlocked Dual SIM, 4GB Internal Storage and 512Mb Ram with external memory slot, micro SD, for up-to 64GB Processor Dual-core 1.0GHz Cortex A7 - Battery 1400 mAh for 312 hours stand-by and 10 hours talk time Conectivity Bluetooth 3.0 with Wifi Hotspot and GPS. 24 months manufacturer warranty worldwide Compatibility: AT&T, T-Mobile, Cricket, MetroPCS, and others 3G HSPA (850/1900) and 2G Quad Band (850/900/1800/1900) networks. This phone will not work with CDMA Carriers like Verizon, Sprint, Virgin or Boost Mobile.