The main features and system requirements are listed on the backside in eight languages.
Inside, the mouse is protected by a cardboard frame and a plastic "case" accompanied by documentation (a quick start guide, a warranty guide, and safety information booklets) and the weights (there are six of them).
Those are three silver and three black pieces of metal.
These are stackable, so the black weights (at 4.5g) can sit on top of the silver weights (1.5g). You can see this all in detail below.
The provided USB cable has 1.8 m in length and is covered with drag-reducing paracord. The cord has a rubber band, which can help quickly organize the excess of a cable.