Feature: Widely Compatibilityfit for all iPhone and most Android Phones( 6.7 inch Iphone 12/13 Pro Max, samsung galaxy s21 and more), without remove your phone case. Make Game Easier Using this trigger, easy to play game, more high sensitive, physical button feedback, you can move, angle adjust, aim and shoot at the same time with the thumbs and index fingers of the left and right hand. Supported GamesDesigned for games on iphone ios and android, such as pubg, knives out, rules of survival, survivor royale, critical ops, etc. as long as the game allows customize and drag the keys, you can play with this mobile game controllers. Adjustable ThicknessCan adjustable width to adapt to a variety of mobile phone thickness (with case can also), not damage to the phone.Install Guide Easy to use, enter Game Settings Control Customize, adjust touchable button position to completely meet trigger pad, and save settings, then start your game.