The Black Shark FunCooler 3 is a lightweight and quiet mobile phone cooling fan designed to prevent overheating during intense gaming sessions. Compatible with iPhone and Android devices measuring 2.71-3.34 inches, this powerful cellphone radiator rapidly dissipates heat to maintain peak performance. Its ergonomic design ensures a comfortable grip, while the ultra-quiet fan operation enhances gaming without distractions. Perfect for mobile gamers, the FunCooler 3 delivers efficient cooling for lag-free, extended gameplay.