Feature: 1. 4-IN-1 Mobile Game Controller: The Mobile controller with Gamepad, Gaming Trigger, Phone Cooling Fan and Emergency Charging Bank as one. Built-in 2000 / 4000mAh capacity battery, the PUBG mobile controller can charge the phone while cooling it. It has a powerful heat-dissipating function which can prevent the phone from overheating and prolong the service life of the phone and battery. 2. Ergonomically Designed: Gamepad provide a more comfortable grip feeling that can reduce hand fatigue, game buttons can bring you a better experience. It works perfecting on Shooting, aiming, moving, jumping, squatting, and lying operations can be performed. 3. Simple Operation: Firstly - Start your game, click the Settings-Control-Customize. Secondly - Move the 'FIRE' and 'AIM' buttons to the the place under the contact buttons of the game controller. Thirdly - Save your settings. Finally - Put Phone in Adjustable Gamepad. 4. Supported Devices: Designed for games for iPhone and android, for PUBG, for Fortnite, for Knives Out, for Rules of Survival, for Survivor Royale,for Battle Royale,for Critical Ops. As long as the game allows customize and drag the keys, you can play with best guest mobile game controllers. Specification: Material: PlasticMetal Size: Top Bottom can be stretched to 80-85mm Fit for Phone size under 6.5inch Color: As the picture show Compatible Brand/Model:None Package List: 1 x Phone Game Controller Gamepad