About this item Compatible with Fit Pro earbuds - Not compatible with other models Safety lock function secures case cover to prevent earbuds from falling out Durable carbon fiber and TPU materials protect against drops, scratches and shocks Supports wired charging without removing case or earbuds Includes carbon fiber keychain, storage box, wrist strap and cleaning brush Dimensions: 5.51 x 4.96 x 1.89 inches