Core Insights - Huawei's audio products are experiencing strong sales during the 618 shopping festival, with a diverse product line catering to various user needs [1][12] - The company is offering significant discounts on its new audio products, enhancing their value proposition for consumers [1][12] Product Highlights - **Huawei FreeBuds Pro 4**: Positioned as a flagship in-ear audio product, featuring the Kirin A2 chip and supporting 2.3Mbps high-resolution lossless transmission, priced at a promotional price starting from 1149 yuan [3][12] - **Huawei FreeBuds 6**: A semi-open earphone with enhanced sound quality and a new high-frequency unit, available at a starting price of 849 yuan during the sale [5][12] - **Huawei FreeArc Earhook Earphones**: Designed for sports, featuring a secure fit and IP57 waterproof rating, with a promotional price starting at 749 yuan [7][12] - **Huawei FreeClip Earphones**: A stylish C-shaped design that ensures stability during movement, priced at 1099 yuan [8][12] - **Huawei Smart Glasses 2**: Combining audio and eyewear, offering features like weather updates and privacy listening technology, available at a starting price of 1399 yuan [11][12] Promotional Offers - Discounts of up to 350 yuan on FreeBuds Pro 4, 150 yuan on FreeBuds 6, 50 yuan on FreeArc, and 200 yuan on FreeClip are available during the 618 shopping festival [3][5][7][9][12] - The Smart Glasses 2 also has a discount of 300 yuan, making it an attractive option for consumers [11][12]

Core Viewpoint - The establishment of "World Noise Day" on April 16 aims to raise awareness about noise pollution and its health impacts, which has been recognized as one of the four major environmental pollutants by UNESCO [1] Group 1: Noise Pollution and Its Effects - Noise pollution is described as "invisible pollution," leading to various health issues such as hearing loss, increased blood pressure, sleep disorders, and mental health problems like anxiety and depression [1] - Background noise during communication can significantly hinder efficiency and contribute to chronic stress, resulting in negative emotions such as anxiety, anger, and fatigue [2] Group 2: Huawei's Solutions - Huawei has launched the FreeBuds 6 and FreeBuds Pro 4, featuring advanced bidirectional noise-canceling technology to enhance communication clarity in noisy environments [2][6] - The FreeBuds 6, with a 12% reduction in size compared to its predecessor, incorporates four microphones, including bone conduction, to effectively separate environmental and conversation sounds, achieving a background noise cancellation of 95dB [6] - The FreeBuds Pro 4, as a flagship product, boasts an impressive background noise cancellation capability of 100dB, utilizing a three-stage memory ear tip design to reduce mid to high-frequency noise [7] Group 3: Enhancing Communication Quality - The dual-direction noise-canceling feature of both earphones significantly improves communication quality and efficiency, ensuring clear sound transmission during business negotiations and personal conversations [9] - These devices create an "acoustic safe haven," alleviating the stress caused by noise interference and allowing users to experience moments of tranquility [9] - The technology also protects user privacy by preventing surrounding noise from leaking personal information during calls in public spaces [11]