Features 1、High-quality fans: Five powerful fans with adjustable speeds provide excellent airflow to help your laptop dissipate faster. 2、Fence air inlet design: Better heat dissipation. Ultra-quiet fans create a noise-free and interference-free environment. 3、Dual USB design: Easily powered from the USB port on your computer, no power adapter required. An additional USB port is provided to connect other devices. 4、Ergonomic bracket: The adjustable height design helps place your computer in the best position for a more comfortable experience. 5、User-friendly non-slip mat: The bottom non-slip mat design increases the friction between the heat and the table to maintain stability. Specification This laptop cooling pad is designed to provide great comfort for all notebook users. It supports laptops of all sizes, versatile cooling base, allowing you to enjoy working on your computer. Features: High-quality fans: Five powerful fans with adjustable speeds provide excellent airflow to help your laptop dissipate faster. Fence air inlet design: Better heat dissipation. Ultra-quiet fans create a noise-free and interference-free environment. Dual USB design: Easily powered from the USB port on your computer, no power adapter required. An additional USB port is provided to connect other devices. Ergonomic bracket: The adjustable height design helps place your computer in the best position for a more comfortable experience. User-friendly non-slip mat: The bottom non-slip mat design increases the friction between the heat and the table to maintain stability. Specification: Color: black Product size: 38 * 28* 2.8cm/15.0 * 11.0 * 1.1in Number of fans: 5 Fans Fan speed: 1000 ± 10% RPM 2000 ± 10% RPM Noise: 25dBA (Min.) Rated voltage: 5VDC Power: 2W Number of files: 3 files Package list: 1 * Cooling Pad 1 * USB Cable Note: 1. Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. 2. The measurement allowed error is +/- 1-3cm.