Compatibility This game trigger is designed for multiple games including PUBG, Knives Out, Rules of Survival, Survivor Royale, Critical Ops, etc. Compatible for all phone models: iPhone, Samsung, Huawei, etc. [less than 18mm thick cell phone with 4.7-7.2 inch screen].Perfect Design Our mobile game controller uses a unique clip design which provides durable elasticity and protects the screen from scratches. Silicone hardness is improved, alloy keys will not fall off the paint.Small and light The trigger is small and portable, and can be put in your pocket for office, school, travel, camping, gaming and gaming anytime, anywhere. It does not block the view of the game and does not affect the side buttons.Good gaming experience Installation of PUBG mobile game controller does not require battery or power, easy to use, high sensitivity, physical button feedback, you can shoot enemies quickly and increase the success rate Game.Easy to install 1. In the game lobby interface, find and open the settings panel; 2. Click on the operating parameters to customize the layout; 3. Move the aim button and fire button to an appropriate position and save it. 4. After tuning is complete, it is recommended to go to the training ground for debugging.