Welcome to the store! 1、Ultrathin (only 21mm), fashion, diamond-cut design, equipped with a surface treatment process for high-gloss mirror! 2、Uses hardened special plastic materials, lightweight but durable and impact-resistant! Only 613g in weight, but withstands 55 kg pressure. 3、Equipped with two high-strength color flaps for high speed, strong wind, efficient heat dissipation 4、Special USB interface design does not occupy your valuable USB port. Meanwhile, the cord design on the back makes your desk neat without clutter. 5、Ergonomic design with 9 degrees, equipped with a non-slip mat with high friction, ensuring high durability, stability, and comfort. Features: Ultrathin (only 21mm), fashion, diamond-cut design, equipped with a surface treatment process for high-gloss mirror! Adjustable color flaps for high speed, strong wind, efficient heat dissipation Special USB interface design does not occupy your valuable USB port. Meanwhile, the cord design on the back makes your desk neat without clutter. Ergonomic design with 9 degrees, equipped with a non-slip mat with high friction, ensuring high durability, stability, and comfort. Specifications: Black color Material: Stansnät, technical plastic, rubber Product size: Approx. 360 x 270 x 21 mm / 14.17 x 10.63 x 0.83 inch Package weight: Approximately 725g Flap size: 140 x 140 x 15 mm / 5.51 x 5.51 x 0.59 inch Speed: 700 ~ 1400 rpm Flap layer: Alloy layer Noise: 15dBA (min.) Fan lifespan: 40 000 hours USB: USB2.0 * 2 Cord length: 14 cm / 5.51 inch Other: Can function as a cooling pad; cord design on the back