The official Raspberry Pi keyboard and hub is a standard 79-key
(78-key US) keyboard that includes an additional three USB 2.0 type
A ports for powering other peripherals. The keyboard is available in
different language/country options as detailed below.
The official Raspberry Pi mouse is a three-button optical mouse which
connects via a USB type A connector either to one of the USB ports on
the keyboard or directly to a compatible computer.
Both products are ergonomically designed for comfortable use, and
both are compatible with all Raspberry Pi products.