This 50W megaphone rechargeable delivers loud, clear sound with a range of up to 1100 yards, making it ideal for outdoor events, cheerleading, safety alerts, and crowd control. The bullhorn megaphone features Bluetooth, Usb, Sd card, Aux, and mic input for flexible audio playback. A wired handheld microphone with built-in siren allows easy voice control and instant attention when needed. Powered by a reliable 12V rechargeable battery with Dc charging support, this portable megaphone speaker is easy to use and ready for long sessions. Durable Abs construction with a protective rubber edge ensures dependable performance indoors and outdoors.