Description: Material: The portable handheld fan is made of ABS plastic, durable. USB Charging: Built in 2000mAh rechargeable battery ensure longer using time. 3 adjustable wind speed: Sleeping wind, natural wind, strong wind. Built in 2000mAh battery, long battery life. Mini portable handheld, USB charging, easy to carry, can also be placed on the table. Small in size, does not take up space when going out Suitable for office, travel, outdoor sports, etc. Specification: Material: ABS, Electronic Components Motor type: brushless motor (10000 rpm) Battery capacity: 2000mAh Charging time: 2H Input voltage: DC 5V Working power: 3W Battery voltage: 3.7V How to use: Handheld + Desktop Wind block position: three speed wind (sleep wind, natural wind, strong wind) Battery life: about 5 hours for the first speed, about 3.5 hours for the second speed, and about 2.5 hours for the third speed Size Chart: Product Size: 53x58x149mm/2.09x2.28x5.87inch Package Size: 18x6x6cm /0.71x0.24x0.24inch Package Includes: 1 Piece Handheld Fan 1 Piece USB Cable 1 Piece Base Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!