Description 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. Features Raises, lowers, and tilts your laptop into the desired position for a comfortable reading and typing experience Air mesh cushioned base provides padded support and extra comfort when used for extended periods on your lap Integrated USB powered cooling fan with aluminum face plate keeps your laptop cool and operating efficiently Included rubber risers position your laptop and keeps it in place while cooling and also helps to increase airflow underneath for excellent heat dissipation Tri-level tilt adjustment supports ergonomic viewing angles to relieve neck and shoulder strain Retractable stand allows for easy height adjustment for the best ergonomic position Accommodates laptops up to 17 inches and also can be used to hold your tablet or iPad A perfect laptop companion for use in the office or at home