Here is a concise summary of the MEMO CX20 RGB Phone Cooler: * Dual-Purpose Fitting: Easily usable on any smartphone including iPhones due to magnetic and back clip features. * 3-Gear Cooling: Temperature can be controlled at 3 different levels according to gaming or workload. * Semiconductor Technology: Cools the phone instantly to eliminate lag and frame drops for smooth performance. * Silent Performance: The high-speed fan is completely silent, perfect for gaming or live streaming.