3-in-1 game controller: combines gamepads, game triggers, and mobile phone holders into one. Suitable for all models of 4-6.5-inch mobile phones. Comfortable handle, long-term game will not fatigue, alloy trigger, Fire while moving, 4 fingers operate at the same time, faster than the enemy, giving you a better gaming experience. The trigger can be flipped up The game trigger can be flipped up by 180° for you to set up the game and operate the screen. This is the feature of this product. The trigger can be flipped up, so that you can set the game operation screen. This is the biggest highlight of this product. Other sellers' controllers do not have this function. The game controller can be contracted up and down, compatible with most mobile phones, Work for 4.5-6.5inch phone, the width of the phone should not exceed 3.35inch. You can simultaneously move, turn, left and right tilted head, aim and shoot operating by using this four-finger artifact, which could improve your immersive gaming experience.The mobile phone holder that can be mobile phone holder that can be folded, the mobile phone holder can be opened, and the TV can be watched.The reversal trigger can make the "customize layout" operation more easily. Help you to be the best player in the shooting games. This controller is adopt ergonomic design. Our mobile game controllers are compatible with the majority of mobile phone, and also compatible with the majority of shooting games, such as Rules of Out, Survivor Royale, Critical Ops, etc.How to use:Start the game and click Settings - Control - Customize.Move the AIM to the upper left corner.Move the Fire button to the top right corner. (You can adjust these according to your own habits.)Adjust the shooting and target buttons under the mobile game controller.Save your settings.