Turbocharger Cooling Technology: Features advanced turbocharger compression technology that delivers powerful and concentrated airflows, quickly dispelling heat for efficient cooling home or offices settings 100 levels Adjustable Speed: offering precise control with 100 levels stepless speed and quick switching presets ( 1 / 25 / 50 / 75 / 100), allowing unique airflows from gentle breezing to strong cooling 720° Flexible: The flipping design enables 720° up down rotation for versatile airflows direction, covering every corner of your desk without repositioning the fan Type C Charging and Long Battery Life: Equipped with a Type C port for charging compatibility and a 1200mAh 2000mAh battery, providing 1 3 hours of cordless operations Smart and Quiet operations: Includes LED display for real time, 3 hour / 6 hour / 9 hour timer, and quiet operations, ideal for work, study, or sleep