2-IN-1 Mobile Game Controller - Mobile game controller combine with game trigger, phone cooling fan into one. Multiple functional. Quiet Cooling Fan - The cooling fan has two silicone mats on the edge of the cooler that hold the phone firmly so that the phone does not fall and get scratched. This mobile phone game heater is rechargeable type and does not have a battery. Comfortable Gaming Experience - Without non-slip grip, familiar ergonomic console layout and pressure sensitive buttons, you can simultaneously move, turn, aim and shoot easily, your fingers will not feel tired even after long periods of gaming. Wide Compatibility - Suitable for all models of mobile phones. Such as Android iOS phone. Suitable for a variety of shooting games, such as PUBG Mobile, Rules of Survival, Survivor Royale, Critical Ops, etc. As long as the game allows you to customize and drag the keys. Best Gift - This game trigger is the right choice for adult boys and girls game partners attending, and it can also be used as Christmas, Halloween, Easter, birthday gifts, holiday gifts, etc.