A protective case system for use with an electronic device includes a protective case, a handle, and an adapter. The protective case removably receives the electronic device and a display screen of the electronic device remains accessible when the electronic device is installed in the protective case. The handle is attached to and extends outward from a back surface of the protective case. The handle is configured for carrying the protective case and the installed electronic device. The adapter is configured to be removably attachable to the handle and bendable by a user to a plurality of positions. The adapter is configured to function as a multi-position stand for the protective case and the installed electronic device. The adapter is further configured to removably affix the protective case and the installed electronic device to headrest posts of a seat.