1. Photochromic Technology: Utilizing advanced photosensitive materials, the sphere automatically changes color based on ambient light intensity (e.g., changing from normal to red in sunlight or under interior light), adding a dynamic visual effect. 2. Creative Expression Design: The sphere's face is printed with playful emoticons (e.g., smile faces, winking eyes), creating a cute and relaxing atmosphere, perfect for creating a relaxing interior atmosphere or as a personalized decoration. 3. Versatile Application: The strong adhesive base and removable ornament design provide both durability and flexibility, making it suitable for interior applications such as the dashboard, center console, and rearview mirror, as well as e xterior applications such as the fuel tank cap. 4. Safe and Eco-Friendly Materials: Made of non toxic ABS plastic and silicone adhesive, it's heat-resistant and non-slip, making it good even on bumpy roads and good against damage to the vehicle's e xterior. 5. Available Sets: Each sphere is approximately 5cm in diameter and is typically sold in sets of 2-3. Available in gradient colors, including red, blue, and purple, to meet your personalized color matching needs. (Note: The actual light-changing effect and color may vary due to different light conditions. It is recommended to avoid long-term exposure to sunlight to extend the service life.)