Playing hand games has become the main way of life and social interaction for young people today, while physical auxiliary products can help players win on the battlefield. The feizhiying hand swimming key adopts ergonomic design, the player's grip is more comfortable, and the new back man-machine curved surface design can better support the three fingers. The standard size of the fuselage is 64 x128x51mm, weighing about 50g, the equipment is compact, and there is no pressure to carry out.