AA-Products K002-AC Faned Powered Computer Tray (Cars-Vans-Trucks-Suvs) for Laptops / Notebooks / Tablets The Ball-Head Joint provides you with 360 degree angle; you can easily swivel the best position for your convenience. The tray can also be easily removed with the Quick-Released Camera Connector; which makes it compatible of connecting your camera or camcorder for other purpose. The Steel Cooling Fan Tray with two Built-in Cooling Fans will always cool your Laptop/Tablet devices from over-heating. There are FOUR Built-in USB Ports on the side & One DC USB Input on the other side. The 7 Extendable Connecting Arm maximizes its coverage in your car. An Adjustable Screen Support Arm to protect the screen and holding the right angle for the best sight-view.