When you are playing phone game, it is not so convenient sometimes and easily lose the opportunity of being the winner.And you can use this assistant joystick to enjoy the game smoothly. The fixed silicone bottom is stable and not shifting, and more stable when play game. A necessity for mobile phone game. Features - Color: Silver. - Material: Copper, silicone. - Size: About 1.30X1.00X1.00cm/0.51X0.39X0.39inch. - Suitable for all phone or tablet shooting games. - assistant tool for you or your friends. - Copper material and silicone with high conductivity for convenient use. - Strong sensitivity. Electrostatic induction through the principle that touching the metal ball will trigger the skill below the sucker. - The operation is simple. Just suck the screen, press the button and then you can operate it. Package list: 2 game joysticks