Precise Dimension: Design and Cut especially for AirPods Pro. (Not fit for other versions) Made of ultra thin silicone rubber, protect your new delicate AirPods Pro from dust and scratch without adding exra weight. Visible Front LED: Won??t affect wireless charging. A small section of the cover has been specially designed to allow your case??s status light to shine through. Built-In Dust Plug: A precise charging port cutout ensures convenient, unobstructed charging. The built-in dustproof plug keeps the charging port clean and sealed when not in use. keychain: High quality metal keychain carabiner let you clip and carry it to various items conveniently.