Plum Sync 4.0 Unlocked Dual SIM Android Smartphone (Red) - 4" Display GSM Quadband EDGE Unlocked Dual SIM Smartphone, 1.3GHz Dual-Core Processor 4" Multi-touch Display, Android OS 4.4 KitKat, 4 GB Internal Memory, 512 MB RAM 5.0 Mega Pixel Front Camera, Geo-Tagging, Touch Focus, Face/Smile Detection, Panorama, HDR 3.5mm Audio Jack - FM Radio, MP3/MP4 Player, microSD slot up to 32GB EDGE/GSM: Supports AT&T, T-Mobile, MetroPCS, Simple Mobile, Tracfone, Cricket Wireless, Net10, Speedtalk, Straight Talk, Red Pocket, Telcel America, Lyca, Go Smart, Ultra Mobile, H20 Wireless, Black Wireless,Pure TalkUSA,420 Wireless, Consumer Cellular, Solavei, Walmart Family Mobile.