Microsoft Natural Ergonomic Keyboard 4000 Wired USB KU-0462 Black UnitMicrosoft Natural Ergonomic Keyboard 4000, model KU-0462, featuring a curved ergonomic design, integrated cushioned wrist rest, full-size QWERTY layout, numeric keypad, shortcut keys, and dedicated scroll controls.This keyboard is used and shows visible signs of previous use, including wear and marks on the keys and wrist-rest area. The built-in USB cable is included.Please review all photos carefully for the exact cosmetic condition and included item.- No other accessories included We have 30 day returns money back guarantee . We do our best to describe everything accurately. This item is sold as shown are pulled from working environments and may include components that are untested, incomplete, or non-functional. While we do our best to describe each item accurately, we cannot guarantee the performance or compatibility of every part. See photos for more details. By purchasing, you acknowledge and accept this item is being sold as-is with no guarantees beyond what is stated.