Computer supplies and media, such as CDs, DVDs, mice, and adjustable monitor mounts help keep employees working efficiently. CDs, DVDs, and USB drives provide a way to share and back up data. Computer hardware, such as keyboards, mice, cables, and KVM switches, keep laptops and desktop computers working. Monitor arms and desktop shelves and stands allow workers to customize their workspace to make it more comfortable and ergonomic. Laptop bags and tablet cases protect delicate equipment during use and transport.