The wireless earbuds concept, illu, addresses the challenges posed by the limited interface guidance of typical wireless earbuds around us. Issues such as inaccurate touch interactions often arise due to the lack of haptic feedback, especially when earbuds shift orientation in the ears, leading to unintended inputs like volume and track controls. To resolve this, the design exploration emphasizes incorporating a cognitive element and seamlessly adapting it to the product’s form.The iridescent effect enveloping the earbuds introduces a captivating visual illusion through its dynamic interplay of hues, enhancing their modern and premium aesthetic. Moreover, tactile guidance is thoughtfully integrated, creating iconic touch points that offer intuitive control, ensuring precise, effortless operation and user accessibility.