The Bose Ultra Open earbuds wireless charging case cover shields your earbuds case from the elements. Its durable yet flexible silicone construction protects against scratches, dings and dust while still allowing the charging indicator light to shine through. An included aluminum carabiner lets you securely attach the case to your bag or belt loop, so your earbuds are always at hand. Designed for audio enthusiasts and professionals on the go, this cover provides an added layer of protection so you don't have to worry about replacing your case when it gets bumped around.