Ergonomic design The ergonomic form factor fits your hands perfectly for increased comfort and control. Features include full-size analog sticks and D-pad, turbo functions Linear Trigger Button Q17SP linear shoulder buttons can provide performance in multiple stages. In the game, you can accurately control the moving speed, attack speed, and attack strength of the game characters. Gamepad space app GamePad Space, this app can customize your handle, whether it is the reaction speed of the linear trigger or the vibration strength of the motor, etc., you can set and edit it through this APP.