@one USB Multimedia Keyboard provides low profile keys with comfortable stroke for a great typing experience and extremely comfortable and contains a 19mm Key pitch. Solid key board and keycap construction with long lasting coated key printing. The 12 additional 1 touch hot keys for your useful function that is surely offering you the greatest convenience， No matter you want to play your favorite music， volume up and down， louder the speaker， searching any website， or even start on email anytime; all can be done by amazing one press of these specially designed quick access buttons.