Features: Introducing the 100 speed handheld semiconductor cooling fan with USB power combining adjustable airflows, innovative cooling technology, and various power option. Features advanced semiconductor chilling technology and plastic housing, delivering rapid air circulation up to 100 customizable wind speeds through energy efficient USB operation. Ideal for students, office workers, and outdoor enthusiasts seeking fast cooling relief during heatwaves or stuffy environment. Perfect for desk use in home offices, outdoor camping trip, or intense gaming requiring continuous thermal comfort. This portable cooling fan offering quiet operation with battery less USB c compatibility. Specifications: Component:Plastic Size:Approx.60x61x155mm/2.36x2.4x6.10inch Color:Black/White/Yellow Wind speed gear: 5 gears. Battery capacity: 3000mAh. Working power: 10w. Rating input: 5A-1.5A. Package Includes: 1pcs Handheld Mini Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.