Designed and manufactures for Fellowes® by Humanscale® Comfort-Lift™ system lets you slide mouse platform left or right over keyboard numeric pad and offers 2 custom height positions. Mouse platform tilts forward or backward, adjusts up or down to height of keyboard and mounts on left or right side of keyboard. Warning Trak™ helps prevent mouse from sliding off mousing platform. Lift and lock feature lets you adjust height with one hand—tilt platform to reposition then straighten to lock in place. Health-V™ channel memory foam wrist supports with Microban® antimicrobial protection stay cleaner and relieve wrist pressure.