400元的儿童指纹水杯是智商税吗？商家称指纹水杯能防校园恶作剧

Core Insights - The article discusses the rising popularity of children's fingerprint water bottles as a new school item, highlighting their higher price compared to regular bottles and their marketed benefits in ensuring children's drinking safety [1][3]. Product Features - The fingerprint water bottles are priced between 200 to 400 yuan, nearly double the cost of non-fingerprint models, which are generally under 200 yuan [5]. - These bottles feature a fingerprint lock to prevent "pranks" in schools and avoid "shared drinking," enhancing safety for children [7]. - One model claims a charging time of 1.5 hours with a battery life of 120 days, assuming 8 uses per day [7]. Consumer Sentiment - There is a divided opinion among parents regarding the necessity of fingerprint water bottles, with some viewing them as essential for safety, while others consider them an unnecessary expense [5][8]. - A parent of a first-grade student noted that such bottles may not be necessary until later grades, indicating a potential market limitation for younger children [8].