[No More Overheating]: Phone cooler is designed for mobile gamers, live streamers, bloggers, and others who use devices for extended periods. Say goodbye to overheating problems and enjoy optimal device performance.<br><br>[Advanced Cooling Technology]: Cell Phone Cooler using the latest semiconductor refrigeration radiator technology and adopting the composite structure design could providing efficient cooling in few seconds.<br><br>[Universal Compatibility and Easy Installation]: Phone cooling fan is designed to be compatible with all type smartphone from 4.5 to 7 inches. Just simply clamp the cooling device to the back of phone, then enjoy your gaming time without worrying phone getting overheat.<br><br>[Whisper-Quiet Operation]: Operating at 30 db or less, the Phone Cooler ensures a serene environment for gaming, streaming, and conversations. Enjoy uninterrupted focus and immersive entertainment without fan noise distractions.<br><br>[Lightweight and Compact]: Made with lightweight materials, the phone cooler is easy to carry around. Compact appearance design will not block your fingers when playing game.