3-s instant cool down: built-in semiconductor refrigerating pad cools to 5 C in just 3 seconds, delivering fresh and cool air when you need it. Ice cooling rub pad: rub the pad against your forehead, neck, waist, or any area with arterial flow to lower your blood temperature and feel the cool breeze. Portable and lightweight: handheld unit weighs 146 g and measures 6.1 x 2.4 x 2.4 inches, easily fitting in a bag for on-the-go use. Power and battery: 1800 mAh battery with USB Type-C charging; up to 1 hour of use at top speed with the A/C on. Quiet, efficient performance: premium brushless motor provides high speed with low power consumption and quiet operation; 3 adjustable speeds; up to 6 hours of use. Use cases: - At a hot office desk for immediate relief - Outdoors during commute, sports, or travel - In gym or during travel for rapid cooling This description preserves the original features and specifications while presenting them in a clear, customer-friendly format.