Effortless installation - Magnetic design attaches to the back of your phone with no extra attachments or tools. You can load and unload quickly and conveniently. Intelligent AI Temperature Control - Some models include an intelligent AI temperature system that automatically adjusts the radiator operation based on your phone temperature to optimize cooling efficiency. Semiconductor cooling technology - Advanced semiconductor cooling technology provides fast cooling and noticeable temperature reduction for your device. High performance - High output power delivers strong heat dissipation, helping keep your device stable during high load operation. Key attributes - Function: active cooling for mobile devices with rapid cooling and optional AI temperature control. - Compatibility: designed to attach to the back of a smartphone using a magnetic design; requires no additional attachment. - Size: not specified. - Material: not specified. - Performance: fast cooling with strong heat dissipation and device stability under heavy use. Use scenarios - Prolonged gaming sessions or other high load apps on a smartphone to prevent throttling and maintain performance. - Extended video recording, livestreaming, or 4K playback where overheating could affect quality. - Outdoor use in warm environments or during long navigation sessions with high screen brightness and continuous use.