the plane of flat portion 12 and are spaced from flat portion 12 in a direction perpendicular to the plane of flat portion 12 side members 18 have concave edges 24 that cooperate with tabs 20 to create recesses 25 that allow reflector 10 to be mounted on an electronic device 30 such as an ipad 2 u00ae as shown in fig8 side members 18 form solid walls that each extend from a respective edge 24 to bottom portion 12 and concave portion 14 reflector 10 will be installed at the location of the speaker or one of the speakers of electronic device 30 and will be held in place by gripping the edge of device 30 between edges 24 and tabs or legs 20 in the installed state concave surface 14 will face toward the speaker and reflector 10 will present an open sound outlet area that is bounded by sides 18 and the free end of concave portion 14 i e the end of concave portion 14 that is remote from the free end of flat portion 12 thus reflector 10 will direct the sound produced by the electronic device toward the user generally perpendicular to the plane of the electronic device display screen according to a particular novel feature of the invention reflector 20 is preferably provided with a magnet 28 shown in fig1 and 2 locate to be attracted to a magnet forming a component of or.