Product Name: MIRADH Lightweight Desktop Fan Battery: 2000mAh Input: 5.0V 2.0A Max Output: 5.0V 1.0A Max Fan Power: 4.0W Max Fan speed: 3.0m/s Max Product size: 154mm?135mm?35mm Product weight: 216g (2000mAh) Product material: ABS material Packaging accessories: desktop fan *1, Type-C charging cable *1, 3rd gear working speed: 1st gear: 1800r/min 2nd gear: 2200r/min 3rd gear: 2750r/min. It has a 180? ultra-wide angle and a large square fan. The wind it gathers is stronger. The geometric square guide body structure gathers the wind in all directions and blows out the diffuse high-speed airflow. Elegant and lightweight, unlock more possibilities: 180-degree pivoting stand: office, library self-study, class, grass picnic scene Hanging: Can be hung on the wall Portable/Handheld: Camping