About this item Hard Travel Storage Carrying Case. Protect your favorite device from bumps, dents, and scratches. Made to fit open ear wireless bone conduction headphones. Material: EVA; Color: Blue; Internal size: 6.38 x 4.88 x 2.56 inches. For sale is case only (device and accessories are sold separately). Dimensions: 6.38 x 4.88 x 2.56 inches.