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 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.

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

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

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.

How long the cable is.

What the power source is.

A mouse is included with this product.