About this item Slim and Perfect FitThis case is only compatible with the latest model of Ultra Open Earbuds, and it is not compatible with QuietComfort Earbuds II, QuietComfort Earbuds Ultra, or QuietComfort Earbuds from previous releases. 360° All-round ProtectionMade of strong flexible silicone material, fully washable and long-lasting, this case protects your Ultra Open Earbuds from bumps, drops, and scratches without adding any bulk. Add Portable CarabinerThe case cover is precision cut, featuring a reserved cutout for the headphone logo, keeping it visible, and it comes with a keychain for easy carrying of your Ultra Open Earbuds. Unobstructed ChargingThis protective case has a charging cutout at the bottom, allowing for quick charging without removing the case. The charging status light on the front is visible during charging. Dimensions5.83 x 4.21 x 1.1 inches.