About this item Hard Travel Storage Carrying Case Protect your favorite device from bumps, dents, and scratches. Made to fit a variety of wireless bone conduction headphones. Material: EVA; Color: Grey; Internal size: 6.38 x 5.08 x 2.72 inches. For sale is the case only (device and accessories are sold separately). Dimensions: 6.38 x 5.08 x 2.72 inches.