The PMP42BT is the latest megaphone offering from Pyle. With each iteration of flagship megaphones, we have improved the battery life, power, ergonomics and functionality. This model features built-in Bluetooth technology allowing you to wirelessly stream audio from your device. Enjoy wireless audio transmission with 40 Watts of power with a range of 1000 yards. Comes equipped with built-in SD & USB flash memory card readers and the 3.5mm Aux-In jack allows you to connect and play your MP3, smartphone or other external devices. Enjoy versatile audio streaming and megaphone capability with the Pyle PMP42BT Bluetooth Wireless Megaphone Bullhorn.