The Pyle PMP48IR Rechargeable Megaphone Bullhorn Speaker with MP3 Auxiliary Input is a high-powered digital megaphone system perfect for indoor and outdoor use. With a sound projection range of up to 1,000 yards, this megaphone will surely get everyone's attention. Choose between 3 megaphone modes: talk, siren alarm, and record to conveniently use the speaker for crowd control and traffic direction especially during the night or in dark locations. Along with a convenient 10-second integrated audio memory with a replay option, and a built-in 3.5mm MP3 auxiliary input to connect and stream audio from an external device, this all-equipped megaphone system will be more than capable of getting the job done. This compact & portable PA speaker features a wide bell diameter for extended projection in order to reach the masses. It also features an ergonomic & lightweight pistol grip chassis for better feel and handling. Featuring a rechargeable battery this megaphone speaker can be conveniently charged via a wall outlet. Make sure your voice is heard with the Pyle Megaphone Speaker. High-powered digital megaphone with a sound projection range of up to 1,000 square yards Built-in 3.5mm MP3 auxiliary input to connect and stream audio from an external device Features rechargeable battery and charges via wall outlet for convenient charge-up Convenient 10-second integrated audio memory with a replay option An integrated siren alarm functions provides added safety and assistance with emergency situations