About this item Compatible ModelsThis case is only compatible with Ultra Open Earbuds 2024 new releases. Please note: It is not compatible with QuietComfort Earbuds II (2023), QuietComfort Earbuds Ultra (2023), QuietComfort Earbuds (2020), and sports earbuds. Safety Lock DesignThe case adopts an integrated design with a safety lock feature that firmly secures the cover, preventing accidental openings and loss of the earbuds. It can be easily opened or closed with a single click. 360° Ultra ProtectionOur rugged case is made of military-grade wear-resistant thermoplastic polyurethane (TPU) material, which is anti-aging, non-yellowing, anti-scratch, and shockproof. It provides reliable protection against shock, dust, crushing, bumps, drops, and scratches. Worry-Free ChargingThis case fits perfectly, is easy to install or remove, and does not affect charging, allowing you to quickly charge your earbuds without taking off the protective case while supporting the visibility of the power ligh