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1. According to the inquiry website, Osika headphones have good sound quality: Osika headphones have a 16.2mm dynamic high-performance sound unit and surroundwave3d sound field technology, providing surging bass effects and music details.

2. Good material: Osika earphones are made of maternal and infant-grade liquid silicone material, with a golden 3-zone stable support structure, which automatically adapts to different head sizes and provides excellent wearing comfort.