• Super Fast Cooling - STRIFF Mobile Cooler Can Cool Down Your Smart Phone. Prevent Your Phone From Overheating & Provide A Better Gaming Experience . • Play games and live stream for hours without worrying about overheating. Designed for mobile gamers, live streamers, bloggers, and others who use devices for extended periods. The phone cooling case can cool your device in seconds and keep it at a suitable temperature. It applys advanced semiconductor technology helping you to achieve running multi-application at same time and lower your phone running temperature, maintaining the performance of phone battery. • Clamp design, just attact phone cooler gaming fan on the back of your phone, you can still on your phone. The cooling fan for mobile can be used on when you play phone games, helping to lift phone performance. Compatible with most 5-7 inch phones of Andoid and iOS system. Plus, the gaming cooler for mobile is lightweight and portable, making it easy to take with you wherever you go. Say goodbye to phone overheating with this powerful and versatile cooling fan.