5.This trigger does not have to distinguish between left and right. How to use? 1. Start your game, and press the "Settings"-"Control"-"Customize". 2. Move the "FIRE" button to the top of left corner. 3. Move the "AIM" button to the top of right corner. 4. Adjust the shoot and aim buttons under the touchpad of the cellphone game controller. 5 ."Save" your settings and restart your game. Package: L1R1 mobile game controller triggers × 1 / 1 Pair Game Controller (L+R) Kind Warm: 1、After the trigger is installed, please lock the screen of the phone first (turn off the screen) and then unlock it again (light screen). 2、According to different mobile phones models, It may have position deviation shown in the picture, please adjust your button in a comfortable way.