Perfect for my book Mc air immediately plugged immediately recognized, much more convenient than playing with Maj / function key, especially with obviously excel in office, but also to place orders with your credit card, or enter passwords blindly. Although this is not the apple, that's deceptively similar to, the color and finish are almost identical. Price may be a little high, since it is not just the apple, and it's really quite simply a mini-keyboard, but really handy