The N15 Mini Portable USB Handheld Fan is designed for students, travelers, and anyone who needs powerful cooling in a compact form. Equipped with a high-capacity 3000mAh+ built-in battery, this fan delivers between 7 to 12 hours of continuous use on a single charge. Its 5-blade rotary vane system provides strong, consistent airflow across five adjustable wind speeds, including natural wind, sleep wind, and prevailing wind modes. The digital LED display clearly shows remaining battery life, ensuring you’re never caught off guard.