Megaphone bullhorn boasts 30 watts of sound, that’s coverage of up to 800 yards! Never strain your voice to be heard over the noise again. With Groove’s loudspeaker, the crowd is yours. MULTIPURPOSE BULLHORN SPEAKER – Our bullhorn is great for cheerleaders, teachers, directors, lifeguards, event organizers, law enforcement, firefighters, rescue teams, sporting events, and more. Even presidential candidate Bernie Sanders used the Groove megaphone speaker during his rallies! PORTABLE – Easily packable with its lightweight design, foldable handle, and convenient carrying strap, this 6” wide blow horn was built for men and women on the go. EASY TO USE – Simply pop the base of the device to add 4 ’D’ batteries and push the slider to adjust the volume. Three buttons indicate on/off, siren, and song settings. BUILT IN SOUNDS – Blast the siren to alert the crowd to an issue or play the iconic Ole Ole Ole song to get everyone hyped before making a big announcement.