1. 1: The combination of mobile phone cooling fan game trigger, which can be used in combination or taken apart and used separately. The design is compact and easy to carry. 2. 2: Unlike most mobile gamepads or triggers, Our controller supports MulitiTap Mode (a faster way to shoot). 3 Levels Firing Rate Adjustable. 3. 3: Silent fan design, 3level wind speed adjustment (maximum speed can reach 6000 revolutions per minute), and its own colored lights make the fan more technological. Cool down quickly to keep your phone from heating up. 4. 4: Pulse conduction principle, support all 4.76.8 inch mobile phones. Work for PUBG Mobile/ Call Of Duty Mobile/ Critical Ops/ Rules of Survival/ Out/ Cross Fire/ Terminator 2 Judgment Day/ Survivor Royale.