of the first end 15 the clearance between the interior surfaces of the cover and the electronic device are intended to be minimal such that a close fit tolerance is provided therefore preventing any free sliding of the cover over the device when the user does not intend such action electronic device screens and chasses are prone to breakage especially if they are accidently dropped on the ground or abruptly impacted by an object while being handled this is especially problematic for individuals who perform manual labor and store their cell phone in their pocket unfortunately if the touchscreen of an electronic device such as a smartphone or tablet is damaged it can be virtually impossible to interact with the device this makes it difficult to make inputs to the device when entering text reading e mail accessing or taking pictures or even making or receiving voice calls the present invention discloses a new and novel electronic device cover for these needs the present invention acts as a protective case and sleeve holster along with providing physical coverage and protection the cover may also provide improved acoustics with regard to a cell phone ringtone the cover may be comprised of a metallic material that has a high stiffness which resonates when the phone vibrates and emits sounds the material accentuates the sound and vibration such that it can be more easily heard and felt if placed in the pocket of a user the size of the cover may take on different forms and be designed for specific phone and tablet models whereby the dimensions are so as to provide a.