The T'nB KBCOMBOPT black keyboard and mouse set offers a complete and economical wired USB peripheral solution for your computer. It includes a full numeric keypad with low-profile keys for quiet typing and an ergonomic ambidextrous 1000 DPI optical mouse, both in classic black. Plug & Play installation eliminates the need for batteries or software. Indispensable for offices, schools, reception areas, and home work.