NEW (NEVER USED) Durable and affordable wireless mouse and keyboard;Adjustable keyboard height Easy, comfortable typing on a familiar, full-size keyboard featuring arrow keys, number pad and 15 shortcut keys Go longer between battery changes with 36-month keyboard and 12-month mouse battery life Reliable Logitech Advanced 2.4GHz wireless technology works even 10 meters / 33 feet away from your computer Works with Windows, Chrome OS and Linux operating systems