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Here's a handy little keyboard that's cute enough to make the eTrade baby jealous. The KB531RT from AZiO is a pint-sized wireless keyboard with built-in trackball that would feel as comfortable in the hands of that infant stock trader as those of a Twitter-happy teenager or a chairman of the board.
With overall dimensions of 11.5 by four inches, the KB531RT is about a quarter the size of a standard keyboard. It isn't as likely as the TV remote to slip below your slipcovers, but in a pinch could slip into a jacket pocket or purse. With edges wide enough to easily grab, it's a good size for passing around at a meeting to offer control to anyone at the table while avoiding accidental key presses. The device weighs just over eight ounces including its tiny USB dongle.
The key layout itself measures about 8 inches by three inches, a bit cramped for everyday typing, but certainly adequate for entering log-in credentials an a short URL or two. And its wide edges make it comfortable to hold with two hands for mousing. The right-hand thumb controls the ball, and the left side is for clicking and right-clicking (there are two buttons, and their layout makes it easy to guess which is which). It runs on two AAA alkaline batteries, included.