Built-in Glidepoint Touchpad with 4 way scrolling (Up/Down/Left/Right) Two-button for true mouse performance Embedded numeric keypad Small, lightweight, and extremely portable LED lights for Num Lock, Scroll Lock, and Caps Lock High quality membrane keys with laptop feel Built-in wrist rest The ACK-540 Mini-Touch Keyboard provides an 88-key layout with an embedded numeric keypad, 12 dedicated function keys and built-in touchpad technology, in a small compact size. The keyboard's touchpad offers precise cursor control and left and right mouse buttons, eliminating the need for a mouse. The keyboard's integrated touchpad is conveniently located in a central position on the built-in wrist rest for additional comfort and minimal wrist strain. The keyboard is also compact and portable, so you can take with you just about anywhere.