1.This product is made of high-quality ABS material, with a stylish appearance and durability.The structure of these fans is unique。 2.Long service life, low noise, ultra-thin appearance. 3.Could powered by USB. 4.Reliable performance, which is fully functional and easy operation. A portable fan with integration of design, appearance and solid structure. 5.Suit for Outdoor Camping Student Desk Travel Home and Office. Product size: 132x103x149mm Material: ABS + PC Rated input: 5V Working method: power bank, computer usb Water tank capacity: 150ml Rated voltage: 5v1a 1 x air cooler 1 x USB data cable Due to manual measurement, please allow an error of 1-3 cm. Please make sure you do n’t mind before bidding. Due to the differences between different monitors, the picture may not reflect the actual color of the project. Thank you!