Key benefits Keeps your phone cool during heavy use to prevent performance throttling, overheating and unexpected shutdowns. Maintains stable device temperature for smoother gaming, longer recording and uninterrupted streaming or calls. Compact, quiet and USB-powered so you can use it anywhere without draining your phone battery. What it does Rapid cooling using a double semiconductor cooling chip plus a powerful fan to remove heat fast during intensive use. LED temperature display provides real-time feedback for enhanced protection and to help you monitor device temperature. Eye-catching color backlight improves visibility and adds a professional look without adding noise. Main features Double semiconductor cooling chip + powerful fan for fast, reliable heat dissipation. Ultra-quiet operation below 25 dB for distraction-free sessions. LED temperature display for monitoring and protection. Color backlight for clear status indication and visual appeal. Compact, portable design for easy transport and use on the go. USB-powered for continuous operation and long service performance without draining your phone. Compatibility and size Compatible with most phones and OS systems with widths from 6 to 8 cm (60–80 mm). Simple clamp or mount design fits common phone sizes while remaining lightweight and portable. Practical use scenarios Competitive gaming: Keeps FPS stable and prevents thermal throttling during long or intensive gameplay. Outdoor live broadcasting or high-resolution recording: Maintains optimal device temperature while you stream or record in challenging conditions. Extended video calls or remote meetings: Prevents overheating during long video conferences so performance and battery efficiency remain steady. Why choose this cooler Combines active semiconductor cooling and airflow for faster, more consistent temperature control than passive solutions. Quiet and professional: operate in a library, on-stream, or during meetings without distracting noise. USB power and compact form make it practical for home, travel, or field use. Technical operation notes Powered via USB for continuous cooling; can be connected to a power bank, USB wall adapter or USB port for extended use. Designed to work with phones within the specified width range; check phone width before purchase to ensure fit. Designed for reliable performance when heat matters most — gaming, streaming, recording and long calls — this phone cooler provides fast, quiet, and portable temperature control with real-time temperature display and USB-powered operation.