Dual cooling fans powered by USB, excellent cooling performance USB interface (USB cable included) Adjustable Height Cup tray, mouse pad design Perfect for sofa, bed, car, floor or elsewhere when using notebook, reading, writing, eating or drawing Desk made of high quality plastic with a mouse platform Wide application, can not only be used as a cooler, but also as a laptop /reading table in family and school, in an office and a car and travel Easy setup within seconds Super thin (only 3.6cm thickness), very light, extra-strong and sturdy, max loading 25kgs Foldable in desk and legs, small in volume, easy to take Suitable for all size notebook Legs adjustable to any comfortable angles when in use Main Desk Dimension: 315mm * 280mm * 36.1mm Leg Adjustable Height Range: 0--310mm Fan Power Supply: USB 5V Power Colours: Black