Core Viewpoint - The high repair costs for the "Listening Treasure" products, particularly the K9 and K5 models, have raised significant consumer complaints, highlighting issues with transparency and fairness in the after-sales service of electronic learning products [1][3][4]. Repair Costs and Consumer Experiences - Consumers have reported that repair fees can exceed half the price of the product, with specific examples showing repair costs of 380 yuan for a K9 purchased at 698 yuan, which is approximately 54% of the original price [3][5]. - Many consumers have expressed frustration over the high repair costs, with some stating that it would be more economical to purchase a new device rather than pay for repairs [3][4]. - There is a lack of consistency in repair pricing, with different consumers receiving varying quotes for the same issues, leading to confusion and dissatisfaction [7][8]. Customer Service and Repair Justifications - Customer service responses have been criticized for frequently attributing issues to water damage, even in cases where consumers assert that their devices have not been exposed to water [9][10]. - Some consumers have reported being able to negotiate lower repair fees after voicing their complaints on social media, raising questions about the fairness and standardization of pricing [6][10]. Legal and Regulatory Context - Legal experts have pointed out that while there is no national cap on repair pricing, existing consumer protection laws require that repair costs be reasonable and transparent [5][10]. - The need for a clear and fair pricing system for repairs in the electronic learning product industry has been emphasized, suggesting that companies should adhere to legal standards and ensure consumers are informed about repair costs [10].