Height adjustable track with ball bearing hardware ensures smooth operation. Includes gel wrist rest with antimicrobial product protection which inhibits the growth of microorganisms, such as bacteria, that can cause stains, odors and product degradation. Also includes a Precise™ Mouse Pad with battery saving design that enhances the precision of optical mice at fast speeds and extends battery life of wireless mice up to 50%.Package Includes: Precise™ Optical Mousing Surface; Full-Width Gel Wrist Rest