The keyboard for Gmail comes out

Gboard is a keyboard designed specifically for Gmail. It is about the size of a regular numeric keyboard and has 19 colored keys, each corresponding to a common Gmail function, such as send, reply, next email and so on.

Gboard uses a USB port and does not require a driver, but users need to set up shortcuts in Gmail. The keyboard is currently on sale for $19.99 and you can buy it here.