WorkEZ Executive Multifunctional Ergonomic Laptop Stand, Lap Desk For Bed & Couch, Folding Adjustable Height & Angle Notebook Riser 2 Fans 3 USB Ports WORKS EVERYWHERE: ergonomic desktop laptop riser for sitting at a desk; extends up to 21 for a portable laptop standing desk; slips over your lap as a comfortable laptop lap desk for the bed & couch ERGONOMIC: Adjustable height 2-21" holds screens at eye-level. Tilting panel rotates 360, locking every 15 ensuring screens are positioned to reduce glare, minimize eye-strain & optimize your posture 2 FANS + 3 USB PORTS: premium 18x11 anodized aluminum panel naturally dissipates heat to cool laptops. A laptop cooling stand w/ two 3 fans for additional cooling & 3 USB Ports to power accessories DURABLE, LIGHTWEIGHT, PORTABLE LAPTOP RISER: made of aluminum, this ergonomic laptop stand is lightweight, sturdy (holds up to 13lbs) and durable. The folding stand collapses flat for easy storage DESIGNED TO LAST: Uncaged Ergonomics has been manufacturing the WorkEZ Executive ergonomic laptop riser & lap desk since 2010 using advanced production methods. You'll notice the quality difference