.rpd-row { overflow:hidden; padding:30px 0; border-bottom: 1px solid #eee; } .rpd-row img { max-width:100%; } .rpd-left { float:left; width:50%; padding-right:2.5%; } .rpd-right { float:right; width:50%; } 1.Advanced Ergonomic Design Advanced ergonomic design encourages natural hand and wrist postures 2.Mouse angle and height Mouse angle and height are designed to place wrist in a comfortable position and reduce pressure on carpal tunnel area 3.Thumb scoop Thumb scoop helps to maintain the correct ergonomic hand and wrist position 4.Windows button Windows button for one-touch access ot the Start screen 5.Back button Back button for faster navigation 6.Four-Way Scrolling Scroll four ways for greater efficiency and comfort by using the tilt wheel. Streamlined curves maximize comfort The advanced design of Sculpt Ergonomic Mouse maximizes wrist comfort while making navigation effortless. Shaped to encourage a more natural hand, wrist, and forearm posture, Sculpt Ergonomic Mouse helps prevent the pain of repetitive stress injuries. Navigation made simple Sculpt Ergonomic Mouse perfectly integrates with Windows 8. Simply click the Windows button for one-touch to access to the Start screen. System Requirements Computer/Operating System Requires a PC that meets the requirements for and has installed one of these operating systems: Windows 8, Windows RT, Windows 7 Hard Drive 150 MB Hard Drive Other 2 AA alkaline batteries required (included) USB