| | Objective function | Description |
| | Functionality [7–10, 12, 28–32] | Specific technical functions in an efficient and friendly manner |
| | Wearability [7–12, 28–30, 33–36] | Ergonomics, obtrusiveness, comfort, look, fashionability, weight, size, and correspondence between shape and placement on the body |
| | Resources cost [7, 8, 30, 31, 34] | Determined by the technology state of the art, cost, compatibility, and other strategic concerns |
| | Power consumption [8, 9, 12, 13, 16, 30–32, 35] | Long term use, energy harvesting, and power saving modes |
| | Recognition [13, 30, 33] | Classification accuracy and pattern recognition performance |
| | Usability [7, 8, 30, 32, 34] | User experience |
| | Maintainability [8, 31, 34] | Launderable, dimensional stability, software upgradable, and rechargeable battery |
| | Durability [8, 30, 34] | Flexural endurance, mechanical tear, tensile, shear, and burst strength and resistance to abrasion, corrosion, heat, and electricity |
| | Desirability [29] | Social factors, continuous use, pre- and postadoption user behaviour, and decision drivers |
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