| | Modified SUS statements | Answer | Score |
| 1. | I think that I would like to use a smartwatch to control devices frequently | 3,7 | 2,7 | 2. | I found the system of the smartwatch and the smartphone to control devices unnecessarily complex | 1,6 | 3,4 | 3. | I thought that performing gestures to control devices was easy | 3,8 | 2,8 | 4. | I think that I would need the support of a technical person to be able to use this system | 1,3 | 3,7 | 5. | I found the various functions in this system (i.e., the training with user-selected gestures and the recognition of gestures) were well integrated | 4,1 | 3,1 | 6. | I thought there was too much inconsistency in this system and I expect it to fail | 1,8 | 3,2 | 7. | I would imagine that most people would learn to use such a system very quickly | 4,1 | 3,1 | 8. | I found that the system of performing gestures to control devices was very cumbersome to use | 1,7 | 3,3 | 9. | I feel very confident that I will be able to use the system | 3,9 | 2,9 | 10. | I think I need to learn a lot of things before I can use this system | 2,0 | 3,0 | | Total score | — | 31,2 | | SUS score | — | 78,0 |
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