“…For instance, a study found that perceived ease of use positively correlates with the accessibility scale of Gratifications of Wearables Technology, indicating that easier-to-use wearable technologies are more likely to be adopted and valued by users [ 54 ]. This is further supported by findings that simple operation and appearance design significantly impact the perceived ease of use of sports wearable devices, which in turn affects users' attitudes and behaviors towards these devices [ 54 ]. Moreover, the perceived ease of use has been identified as a critical factor in users' acceptance of the multidimensional health and fitness features of wrist-worn wearable devices (WWDs), suggesting that when users find fitness functions easy to use without causing any difficulty, they tend to use those functions more [ 55 ].…”