The Foxx A551 16GB Black (Unlocked) Dual SIM smartphone features a Quad Core processor, 5.5 inch screen, and 16GB storage capacity. It comes in a sleek black color with a stylish bar design. This dual SIM phone supports 4G LTE connectivity and runs on the Android operating system. With a 5.0 MP camera and 2GB RAM, this smartphone offers a smooth and efficient performance for everyday use.