The Fish Shape 3D Simulation Toy will adjust its flopping slower or faster according to the motion around it. If it detects that it's being played with, it'll flop faster. If it detects no motion, it'll slow down and eventually stop.
Fish Shape 3D Simulation Toy comes with a USB charger and a built-in battery that lasts for days after a full charge. This would be enough time to entertain your cat and relieve the stress throughout the day.