The Pyle PMP38R Megaphone Speaker allows for portable and powerful audio projection. With each iteration of flagship megaphones, we have improved the battery life, power, and sound-processing functionality. Built-in rechargeable battery allows for portability and connects directly to your wall outlet for hassle-free charging. Control the crowd from a distance with audio ranges of up to 800 square yards. The compact megaphone features a foldable ergonomic grip handle for quick setup and convenient talking ability. Project your voice with simple button controls that make operation easy-to-use -- indoors or out! Activate the continuous siren alarm with the press of a button -- and the built-in record mode features a 10-second audio memory so you can save and replay your message over and over. Enjoy convenient sound projection with the Pyle Megaphone Speaker with Built-in Rechargeable Battery.