Computer wireless mouse

The utility model provides a computer wireless mouse, belongs to the technical field of computers, and solves the problem that a mouse cannot be used by people with palms of different sizes. The computer wireless mouse comprises a shell, a sliding cover, a roller and an infrared laser lamp, the infrared laser lamp is arranged in the middle of the front end of the shell, a left operation key and a right operation key are arranged on the two sides of the upper surface of the front end of the shell respectively, the roller is arranged between the left operation key and the right operation key, a sliding way is arranged behind the roller, and a first buckle is arranged at the front end of the sliding way. A fixing block is arranged on the back face of the sliding cover, extends into the sliding way and is in sliding connection with the sliding way, the fixing block is fixed with the sliding way when sliding forwards to the first buckle position, first magnets are arranged on the two sides of the sliding way, and