Abstract: A mobile radio receiver is provided which can be mounted on a rearview mirror and can properly perform its original functions. The mobile radio receiver includes a case incorporating a radio receiving section, a reception circuit section, a reception display section, and a power supply battery and having an outer shape almost matching with a rearview mirror, mounting members arranged such that the case can be detachably mounted and fixed on the rear surface side of the rearview mirror, a solar panel mounted on the case such that a light-receiving surface of the solar panel is set at a predetermined position on the front side of the case. The radio receiving section is arranged on the front side of the case and designed to receive a radio wave from the front.