For fast typists or those with large hands, most folding keyboards are just too small for comfort! This sturdy Bluetooth keyboard features five rows of standard-sized keys laid out in classic keyboard style and properly spaced for accurate typing. They are topped off by a sixth row of function keys for frequently used Android, iOS, and Windows operations. Yet, when you are ready to go, it folds smaller than a paperback book and fits right in a bag or briefcase with your tablet or phone. - The full-size keyboard layout features crisp high-quality keys, yet folds into a package smaller than a paperback book. - The back and sides are strong but lightweight aluminum. The hinges are stainless steel. This makes it extremely durable. - It comes with a soft but strong case that both protects the keyboard and anything else you’d throw in a bag with it. - The case transforms into stand for your phone or tablet and adjusts to any angle. - The keyboard has special support for Android, Windows, and iOS key functions. - Its USB-charged battery lasts for weeks of normal use.