The Pyle PMPRA514BL Megaphone delivers powerful sound with a 50-watt output, making it perfect for large outdoor events or emergencies. This megaphone features multiple audio modes, including Talk, Siren, Music, Whistle, and a 60-second recording feature. You can stream MP3 and digital audio files through the aux input (3.5mm jack), and it includes a built-in automatic siren alarm. The ergonomic pistol grip and lightweight design make it easy to use, and the adjustable volume control lets you set the right level of amplification. It also comes with a shoulder strap for easy, hands-free carrying. The megaphone connects to external devices like smartphones, tablets, and iPads and operates on 8 'C' batteries (not included).