Works with desktop, laptop, notebook computers. Compatible with all Windows OS.NOTE: This number pad is NOT fully compatible with Macbook OS system. Function keys do not work, while number keys part works fine. Using advanced 2.4GHz wireless technology, the wireless number pad will get connected to your computer as soon as you plug the USB receiver into the USB port, plug and play, no additional drivers required. Working range up to 33ft Lightweight and compact, you can easily put the number pad into your bag and take it anywhere. Integrated ergonomic tilt provides added comfort which helps reduce wrist strain, great for those working on spreadsheets, accounting files or financial applications There is two non-slip mat on the back of the number keyboard, which prevents it from sliding around your desk when in use Large, full-size 18 keys, soft concave buttons for this numeric keypad, up to 10 million strokes times. Keys are easy and silent to press, greatly speed up your productivity