Everything is perfect in this keyboard ideal size. Nor too small to avoid typing two keys at the same time, not too large to be slipped into a small bag or a speaker. The keys are identical in size to conventional keyboards, typing is comfortable. Instant connection with bluetooth android or windows and the buttons are light (or no choice) when it is connected and there is appreciable, when struck in the dark, dimmable. It's even equipped with two small folding crutches and old. To protect the I prepared a bag with bubble wrap. Nickel I tell you.