Combining reliable performance, stylish appearance, and slim form, the HP KF885AT mouse & keyboard package is a great choice for you to work, surf the web or do other application. The two-tone colored keyboard comes with 104 keys in stand order, while the bold, bright white characters make the keys easy to read. And the optimal tactile features ensure the durability and stability for heavy keyboard usage. The optical mouse (with 3 buttons) included in this package can be used comfortably with either hand, with superior optical tracking for improved control. The scroll wheel can help you file through your documents or browse the spreadsheets easily and conveniently, and doubles as a third mouse button. With a wealth of features and an elegant silver/black look, this is a great value! Mouse Included: Yes Mouse Interface: USB Tracking Method: Optical Buttons: 3 Palm Rest: N/A Mouse Color: Silver/Black Normal Keys: 104 Hand Orientation: Both Hands