Eliminates stretching your arm to reach the mouse by having the numeric keypad on the left. Your mouse may be much closer on the right. Allows your right arm to be in a relaxed neutral position when using the mouse. Reduces the need to remove your hand from the mouse by allowing your left hand to operate Enter, Del, Page Up, Page Down, arrows, and other keys in the numeric keypad on the left. Duplicate Page Up, Page Down, Home, End, Del, and arrow keys on the right. Full size arrows, Del, F's, Ctrl, and Alt keys for easy operation. Extra Del key at the left end of the spacebar allows left hand operation so you can keep your right hand on the mouse. Tactile bumps on often used keys such as Del, End, Page Down, Ctrl, and down arrow to aid operation by touch. Hot keys for one touch access to the Internet, e-mail, media player, volume control, standby, power off, and other functions. High quality, notebook computer-type key mechanisms with precision feel. Only 0.8 inch thick overall with ultra flat key caps.