The Targus Laptop Chill Mat features two USB powered fans that circulate to provide proper ventilation, allowing the system to run smoothly to help prevent lag time often caused by overheating. Another feature to keep your laptop working properly is its no-slip rubber grips to avoid sliding on surfaces such as airplane trays or tables. USB powered, there is no need to plug into a wall or use batteries; it runs right from your laptop’s power keeping you and your laptop cool and functioning while you work. Product Features and Specifications: Compatibility - Designed to work with laptops with up to 16-Inch screens Functionality - Dual fans circulate to keep you, your workspace and your laptop cool Ease of Use - No slip rubber grips, USB powered RoHS Compliant - Yes