The format is determined by shape, size, presentation and medium.
Characteristics of the device.
The colour e.g. red, blue, green, black, white.
Type of storage medium, like flash, hard disk drive, etc.
The measurement or extent of something from side to side.
Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.