Soft Silicone and Ergonomic DesignThe open-ear headphones are crafted with skin-friendly silicone material, ensuring a silky touch and comfy experience. Designed to fit the natural contours of your ears, the ergonomic design provides a secure and comfortable fit. Weighing only 9.9 g, these headphones are incredibly lightweight, it wont cause any pressure on your ears, even after all-day wear whether you're engaging in sports, traveling, or attending meetings.