Perform Your Best Our multi-functional Lap Desk is designed for those who are ready to take their work activities to the next level. Step away from the office and take a seat in your favorite chair. Designed to make your work flow more efficient, this desk always delivers comfortable productivity. 4 USB Charging Ports With 4 USB charging ports so you can use it in bed without having to move around for charging your other electronics. Cooling Design Both powerful cooling fan and cooling hole design, which can effectively protect your computer from heat and prolong its life. Adjustable Light Perfect for late night reading or studying in bed without waking my partner! Foldable Easily fold flat and slide it under the side of my bed when you are done using it. Core Feature 4 Port USB HubCooling DesignAdjustable LightAdjustable LegAdjustable Tray and Mouse Pad2 Storage cases Note Only LED lights can be activated when powed by batteries.Laptop trays fit for 11.6, 13.3, 14, 15.6inches laptops,17Inches laptop does fit but leaves less mouse room.USB cable is placed in the storage compartment at the bottom of the tray. Material: ABS sturdy plastic USB port max output current: 1.0A Max loading weight: 33lbs Folded Size: 20.87”L x 11.81”W x 2.56”H Height with legs half unfolded: 10" Height with legs fully unfolded: 15" Weight: 4.41lbs