TECH GEAR K9 Metal Gamepad Trigger for PUBG Mobile Trigger (SET OF 2) Sensitive Shoot/aim Buttons L1 R1 Trigger With Shooter Fire Controller For Mobile Joystick. Works with mobile shooters that allow users to customize their interfaces, shoot with your index finger while your thumb are moving, no delays again, makes your gaming more easy and fun. The Joystick gives you a real physical joystick for increased precision with touch screen based games, increase your game score 50% guaranteed. Supported Most touch screen devices. Supported Games but not limited to: Rules of Survival, Survivor Royale, Knives Out, PUBG Mobile, Critical Ops. No Power supply and driver needed, easy to use, high precision, high sensitive. Thickness adjustable, no limited to the phone, can also work on a phone with protective cover and screen protector.