About this item Hard Travel Storage Carrying Case Protect your favorite device from bumps, dents, and scratches. Made to fit various models of open ear wireless bone conduction headphones. Material: EVA; Color: Black; Dimensions: 4.37 x 4.25 x 0.47 inches. For sale is case only (device and accessories are sold separately). Dimensions: 4.37 x 4.25 x 0.47 inches.