Dell had this. Also a button to get instant silence, and an USB port for the mouse. https://universaldatasystems.org/shop/wp-content/uploads/2017/08/SK8135-B.

Dell had this. Also a button to get instant silence, and an USB port for the mouse. https://universaldatasystems.org/shop/wp-content/uploads/2017/08/SK8135-B.jpg https://universaldatasystems.org/shop/wp-content/uploads/201...