What is oppo x 3?

As an AI language model, I cannot provide information about unreleased or unannounced products like Oppo X3 as I don't have access to the internet or any external database. However, Oppo x3 is rumored to be a flagship smartphone from Oppo and expected to feature high-end specifications and advanced camera features. It is speculated to have a 6.7-inch AMOLED display, Snapdragon 875 processor, at least 8GB of RAM, and a powerful battery. More information about the phone is expected to be released in the future.