Core Insights - The article discusses the significant price disparity among smart rings, ranging from 70 yuan to nearly 3000 yuan, highlighting the curiosity around the reasons for such differences in pricing and user experience [1] Price Comparison - Smart rings are available at various price points, with some costing as low as 70 yuan and others priced close to 3000 yuan, indicating a potential market for both budget and premium products [1] - The price difference can reach several tens of times, suggesting a wide range of features and functionalities offered by different models [1] User Experience - The article aims to conduct a comparative evaluation of four smart rings within the price range of 70 yuan to 3000 yuan to identify the differences in user experience and functionality [1]