Macworld At a glance Expert's Rating Pros Innovative solar-power tech Comfortable, responsive keys Full-size keyboard, with numeric keypad Useful app for reprogramming Fn keys Cons A wired keyboard would be simpler No backlight Can’t adjust angle or height of keyboard LightCharge tech adds to the price Our Verdict Logitech’s LightCharge tech is innovative, but it adds to the cost of what is otherwise a fairly conventional Bluetooth keyboard. It’s well built, though, and comfortable to u...