Core Insights - The quality supervision inspection results for headphone products in Huishan District, Wuxi City, Jiangsu Province, for the year 2024 indicate a 100% pass rate among the sampled products [3][4] Group 1: Inspection Overview - The Huishan Market Supervision Administration conducted a special quality inspection of headphone products, planning to sample 10 batches and successfully sampling 10 batches [3] - All 10 batches of products tested were found to be compliant with the relevant standards, achieving a compliance rate of 100% [3] Group 2: Standards and Testing Criteria - The inspection was based on several standards, including GB/T 9254.1-2021 for electromagnetic compatibility and GB 4943.1-2022 for safety requirements [3] - Key testing items included marking and instructions, drop tests, protection of energy sources, contact temperature limits, safety protection for sound energy sources, additional safety for devices with portable lithium battery packs, conducted emissions at AC power ports, and radiation emissions below 1GHz [3] Group 3: Product Details - The inspection covered various headphone models from different brands, including: - Marvel's MV10 Bluetooth headset - Aiying's EJ-228 true wireless Bluetooth headset - ZGA's GS16 active noise-canceling Bluetooth headset - WiWU's TD-02 and TD-01 headsets - MINISO's H508 and SP390 earphones - Redmi's M2317E1 wireless headset [4]