JXD S7800b Gamepad

I think JXD S7800b is the best mobile gaming devices by far, it is a quad core high definition handheld gaming. It carry RK3188 high-performance quad-core processors, 28 nm process technology, save electricity 60% than 45 nm, the peak frequency of 1.6 GHz, faster 33% than 1.2 GHz, superior performance.