Trident Dual-Layer Protective Case for Microsoft Surface Pro 4 (Cyclops Edition, Navy Blue) Provides great protection against drops and other impacts in a slim design Protects devices power Ports and Audio jacks with TPE plugs to keep out dirt and debris Dust filters to protect speaker Bays Integrated Built-in stand allows for full operation of the device's media stand Advanced Audio technology redirects sound to the front of the tablet to provide an enhanced Audio experience