Features: brand new and high quality Designed for gaming use, this adjustable notebook cooler can support laptops up to 17inch and below. With adjustable switches to fan speed and light . Massive metal mesh panel for super cooling performance. 2 USB ports with 1 free USB cable, then you won'for t miss any USB devices with this gaming notebook stand Built-in 5 cooling fans provide massive airflow to cool the wholenotebook cooler stand Ergonomic design with 2 viewing angles available for the most comfort in use. The for storm blows all heat under the laptop from the Bottom-up, with mute motor and no noise cooling fan. Specifications: Item: Notebook Cooler Pad Package: Each heavy duty laptop cooling pad is packed in delicate gift box Color: Black Work Voltage:5V/12V Interface: for DC/ USB Input Power：3.3W/8.4W Item Size: approx 410x294x29mm/16.14x11.57x1.14in Number of Fans：5 Item Weight:0.85kg Type (Optional) : Black Blue Standard Version USB 5V/ Black Red Standard Version USB 5V / Black Blue Ultimate Version for DC 12V / Black Red Ultimate Version for DC 12V (Optional) Package Includes: 1 x Cooler Pad note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.