I got a LanLan Void Cube in Michigan, so now I have 2--1 white and 1 black.
Now, my the black LanLan Void Cube isn't exactly the same as the white one. The black one's a little smoother than the white one. The white one is lubed with that unknown oil. Those are the 2 highly noticeable differences. Both LanLan Void Cubes have a weird color scheme. Gray is opposite black; green opposite blue; and yellow opposite red. Gray, red and blue are cycled counterclockwise.
I'm not surprised that my new LanLan Void Cube can't cut corners. There is no axis-like core mechanism, so it is unable to cut corners, but I'm not surprised.
Overall impression: I'm going to give the Void Cube a 89 out of 100, as it is not super smooth and can't cut corners. Apparently, these aren't used for speedcubing.