From JisuLife
• Mini Size, cute design & easy carry • 360 degree manual rotating • 3 wind speed and sleeping mode • Removable & washable fan cover • Type-C input • 4000/USB power supply version for selection • Battery Capacity: 4000mAh/3.7V • Input: 5V-2A max • Charging Time: 4-5 hrs • Working Power: 5W max • Fan Speed: 3.5m/s MAX • Working Time: 4-16 hrs • Input: Type-C 5V2.0A • Rated Power: 4W • Battery Type: 18650 • Product Weight: 310g