Advold is a portable cooling device powered by a high-performance turbo brushless motor reaching up to 15,000 RPM, capable of producing strong airflow up to 9 m/s with a cooling reach of up to 5 meters. Despite its powerful performance, it operates ultra-quietly below 25 dB, ensuring a comfortable and noise-free experience. Equipped with advanced turbofan technology, Advold delivers a concentrated airflow that creates an AC-like cooling sensation. Designed with a compact structure and efficient energy use, Advold is easy to carry and ideal for daily activities—whether at school, on campus, during outdoor activities, or while commuting—helping users stay comfortable even in extreme tropical heat.