Abstract: The device brings together a plurality of functions affecting the safety and the entertainment and communication aspect in a single apparatus that can be fixed to the handlebar of a bicycle, which apparatus is based on a casing (1) provided with fixing means (2) for fixing it to the handlebar, in which there is arranged an antenna (4), a radio-frequency module (5), a microphone (6), a digital music player module (7), with or without an internal memory, a video camera and/or digital camera module (8) with its corresponding lens, a graphic color display module (9), an internal button assembly (10) allowing access to the different functionalities and browsing, a speaker (11) for playing sounds, music and voice, a power module (12) with its corresponding external memory (13), a connection port (14) for connecting to a personal computer, an input port (15) for an external microphone, an audio output port (16), a lighting module (17) formed by LED lamps and a brightness level and presence detector (18).