Excellent portable keyboard for use while camping or lounging on the sofa. I was able to teach myself how to print on it while lying down by using two hands to hold it and two fingers to type on it. Below are some advantages: Memory for up to three devices sized island-style keys MAC+PC. Windows markup Does not consume batteries in any significant way (for 2 years -1 division). The buttons are circular, which can be annoying, but I've gotten so used to them that it's difficult for me to type on other keyboards. absence of a backlight (not that I expected one for this price, of course)