Plum Trigger Pro Unlocked Android Smart Phone - 3.5" Display 4 GB Dual SIM GSM Quad Band 4G HSPA+ (Blue) Unlocked Dual SIM Smartphone, 1.2GHz Dual-Core Processor 3.5" Multi-touch Display, Android OS 4.2.2 Jelly Bean, 4 GB Internal Memory, 512 MB RAM 5.0 Mega Pixel Front Camera with LED Flash, Geo-Tagging, Touch Focus, Face/Smile Detection, Panorama, HDR 3.5mm Audio Jack - FM Radio, MP3/MP4 Player, microSD slot up to 32GB 4G HSPA+ 21Mbps: Supports AT&T, T-Mobile, MetroPCS, Simple Mobile, Tracfone, Cricket Wireless, Net10, Speedtalk, Straight Talk, Red Pocket, Telcel, Walmart Family Mobile.