Contour Design on Tuesday released a Pro version of its RollerMouse that features a rollerbar that’s 67 percent longer than before, two new function buttons, a repositioned scroll wheel and selectable function options that are hard-coded into the device. RollerMouse slides under your keyboard and helps eliminate repetitive stress injuries by keeping your hands near the keys as you scroll windows and perform single- and double-clicks. Pricing is US$199.95 and the RollerMouse Pro, which is available only in black, can be obtained for a free 30-day trial. The original RollerMouse, which comes in black or beige, can still be ordered for $189.95.
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