Premium Motor Design for Enhanced Performance and Durability This ultra-thin desktop fan is powered by a high-quality brushless motor that significantly reduces operational noise, guaranteeing a quiet and undisturbed environment while maintaining optimal air circulation. The adoption of brushless technology also translates to a longer lifespan compared to traditional fans, providing users with a reliable and efficient cooling solution that stands the test of timeConvenient USB-C Charging & Intuitive Display Equipped with a USB-C charging port for universal compatibility and faster charging, this fan also features a built-in screen that clearly indicates battery remaining power and current speed setting, allowing for effortless control and peace of mindUltra-Thin Design for Optimal Space Saving Measuring at a compact 6.5x5.3x1.57inch, this slim desktop fan effortlessly blends into any setting, adding a touch of elegance while preserving precious desk spacePowerful yet Whisper-Quiet Performance With 4 adjustable speed settings, experience customizable airflow that ranges from a gentle breeze to a robust gust, all while maintaining a noise level below 40dB even at max speed, ensuring it never disturbs your focus or tranquilityUpgrade 5000mAh Battery Stay cool all day long with up to 6-16 hours of continuous operation from a single full charge. The integrated 5000mAh rechargeable battery keeps you refreshed, whether you're indoors or out on travel, and foldable fan bracket making thin desk fan more easy to carry