PHONE TRIGGER BUTTONS--mobile triggers are sensitive to and aim, no Power and driver needed, easy to use and high precision, increase your game score. CELL PHONE GAME CONTROLLER GRIPS--Transparent design will not block the phone screen,then you can still see the clearly. --With the mobile controller, you can simultaneously move, turn, aim and using the fingers to press the buttons, which can eliminate the trouble that use thumbs to make all operations. MOBILE GAMEPAD--Mobile controller work with