Wearing headphones often causes them to fall out; the ear hook is designed to solve this problem. The headset can be securely held in place and ear strain is reduced. Ear hook diameter: 8 mm Ear hook dimensions (L x W): 52 x 23 mm Material: Polycarbonate (PC) Color: Transparent Compatible with: HM1300, HM1600, HM1610, HM1800, HM1900 Easy to wear; reduces discomfort during extended use. Ergonomic design for comfort. Made from environmentally friendly, soft, and flexible materials. Designed to fit the natural shape of the ear. Safe and non-toxic. To ensure compatibility, measure your existing headset earhook or headphones before purchase. Package includes: 12 x ear hooks This product is compatible with the listed models but is not affiliated with or endorsed by the respective brand owners. The package contains only the items listed above. Note: Screen settings and lighting conditions may cause slight color variation between the image and the actual product. Measurement tolerance: ±1–3 cm.