Fellowes Smart Suites Laptop Riser with USB encourages separate keyboard use to ensure correct ergonomic posture. Supports up to a 17" laptop up to 13 lbs. Offers three height adjustments. Includes accessory tray. Vents help keep notebook cool. Includes built-in four-port USB 2.0 hub. Triangular design fits neatly into desk corner. Perfect for use in the office, home office, or wherever you would like to elevate your laptop.