1. Used to hang the earphone on the ear to prevent the earphone from falling and reduce the discomfort of wearing the earphone for a long time 2. Silicone material, soft, skin-friendly, flexible but not deformable, comfortable to wear 3. The installation is firm and does not fall 4. For AirPods 1 / 2 / Pro 5. Easy to install and remove 6. Product size: 60x43mm

http://olla.gr/for-airpods-1-2-pro-anti-lost-silicone-earphone-ear-hook-purple/