SIIG's Ergonomic Multi-Angle Tilted Laptop Cooling Pad is an ideal cooling solution designed to lower your laptop's operating temperature. It features a high performance cooling fan with aluminum face plate to supply optimal airflow keeping your laptop cool and operate smoothly. Three levels of height adjustment are supported for the best ergonomic viewing and typing position to reduce wrist fatigue and neck and shoulder strains. Air mesh cushioned base provides extra comfort to your lap when used for extended periods. Built-in USB power cord is integrated to power the cooling pad by an available USB port from your laptop, no power adapter is required. It is a cost-effective cooling system to accompany your laptop, iPad or tablet for use in the office or at home to reduce its overall temperature and to extend its lifespan.