“电子咖啡手环”是真提神还是智商税？

Group 1 - The emergence of "electronic coffee wristbands" on e-commerce platforms claims to replace coffee and provide physical stimulation through microcurrent technology, sparking debate on their effectiveness and potential as a gimmick [1][3] - These products are marketed as having no side effects, claiming energy equivalent to dozens of cups of coffee without the associated heart rate increase, and are said to improve fatigue, relieve stress, and enhance attention [3][5] - Prices for these wristbands range from hundreds to thousands of yuan, but their sales volume remains low [3] Group 2 - Medical professionals express skepticism about the effectiveness of these devices, noting that while electrical stimulation has medical applications, the casual use of such devices may not be reliable [5][6] - Concerns are raised regarding the safety and efficacy of the electrical stimulation parameters used in these products, as individual responses can vary significantly, and certain populations (e.g., those with heart conditions or pregnant women) may face risks [6] - Experts emphasize that addressing fatigue should focus on improving sleep and lifestyle rather than relying on these devices [6]