The Targus Numeric Keypad allows users to type numbers into spreadsheets and other applications quickly and easily. The full-size 19mm keys improve speed and accuracy by making it easier to locate and press the numbers you are looking for. The integrated ergonomic tilt provides added comfort which helps reduce strain after a long work day. The USB cord is 3 feet long to provide additional flexibility in the workspace. Ideal for in office or in home use.\r - Functionality- Full sized keys are comfortable and large for increased accuracy; Great for those working on spreadsheets, accounting files or financial applications\r - Compatibility- USB port required; True plug-and-play device, no drivers required\r - Ergonomic- Ergonomic tilt provides support to help prevent wrist strain\r - RoHS Compliant - Yes