What the product should be used for, and how it should be used (e.g. ambient temperature).

The technology that enables connectivity of the device, e.g. wired or wireless.

The ports (sockets) where the device connects with other devices.

The characteristics of the key switch, mechanical vs rubber dome. A mechanical key switch is usually more expensive, gives a stronger feedback and can be more precise.

The type of keys on a keyboard, and their position on the keyboard. This can differ from country to country.

The letters which are marked on the keys for convenience of the keyboard usage with specific language.

Keyboard size, e.g. standard, mini.

Small, palm-sized, seventeen key section of a computer keyboard, usually on the very far right. The numeric keypad features digits 0 to 9, addition (+), subtraction (-), multiplication (*) and division (/) symbols, a decimal point (.) and Num Lock and Enter keys. Laptop keyboards often do not have a numpad, but may provide numpad input by holding a modifier key (typically labelled "Fn") and operating keys on the standard keyboard.

Country where the device is made. Aka Country of manufacture (COM).

Product has a built-in light source for its illuminating.

The style of the keyboard e.g. straight, curved.

The product can be folded and so can be stored/transported more easily.

A padded cushion placed in front of a computer keyboard to rest your wrists on when typing.

The colour e.g. red, blue, green, black, white.

A display which is part of the product, so you do not need to attach another display.

The type of USB connector/port that this product has.

How long the cable is.

Indicates whether this product supports is "plug and play". Plug and play is hardware or software that, after being installed ("plugged in"), can immediately be used ("played with"), as opposed to hardware or software which requires configuration.