1.Advanced Semiconductor Cooling – 2025 all- design featuring a built-in semiconductor cooling plate in the fan's core. Once activated, this plate rapidly cools down, ing two cooling modes: strong and mild. When in with the skin, it delivers an instant icy sensation. Paired with the fan, it quickly reduces body temperature, keeping you cool in extreme heat. 2.Powerful 13,500 RPM Wind Speed – Equipped with three adjustable speed levels, this fan reaches up to 13,500 RPM for maximum cooling. A larger air outlet enhances airflow, providing widespread cooling. Perfect for intensive outdoor work, ensuring comfort even in high temperatures. 3.Enhanced Stability with Dual Straps – Includes two detachable straps for versatile wear: a neck strap for hands- cooling as a neck fan, and a waist strap to function as a waist fan. The adjustable waist strap extends up to 55 inches, accommodating different body types. Compared to traditional clip-on fans, this design greater stability and flexibility for all-day wear. 4.Upgraded Battery Life – Built-in 10,000 mAh rechargeable battery ensures extended cooling performance. Depending on the mode, it runs 4 to 19 hours on a full charge. Comes with a Type-C charging cable, compatible with wall chargers, power banks, laptops, and other USB-powered devices. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.