Delivery is very suitable days, but the goods were not tracked. Moves at the speed of light, there are buttons forward-back, when you give it back, it turns around in a circle, which is very convenient. Minus the material, everything to it clings (in the remote and in the very mouse you need to insert 2 batteries. My cat does not show much interest, by the way the mouse is quite large in size, your seals can be frightened