Gofoyo K21 Mobile Game Controller For Pubg/Call Of Duty/Fortnite, Aim Trigger The game controller can be contracted left and right, compatible with most mobile phones, Work for 4.7-6.5inch phone, Enhance hand comfort, the round shooting game makes your hands no longer sore. Gaming Experience Improvement - Help with gaming operation more flexible. Made of high quality material, ergonomic design, very durable Flexibility, precision, comfort, easy to control. The 2 fire and aim button key can be flipped How to Setup: 1.Start your game, and clicks 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 cell phone game controller; 5."Save" your settings. 3-in-1 game controller: combines gamepads, game triggers, and mobile phone holders into one. Suitable for all models of 4.7-6.5-inch mobile phones, For PUBG Mobile, Rules of Survival, Survivor Royale, Critical Ops, Cod Mobile,Fortnite. 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 Easy to use and high precision, increase your game score. In fact this Mobile Controller is a Mechanical version Games plug-in which will never ever be Detected . and you can hold your Phone like a controller with Ergonomic Gaming Design.