Bose project their mighty wireless soundlink sound in all directions with the revolve bluetooth speaker true 360degree sound ensures everyone in the room or area gets the same great audio and because its portable splash proof and robustly built you can take the music with you wherever to the park by the pool on the beach the battery lasts all day and you can even take hands free calls and voice interact with google now siri louder and longer lasting than the revolve the revolve is