Uzi High Power Loud Big Bluetooth Megaphone 50W, Real Siren, Bullhorn, Rechargeable Battery, Portable Speaker, Pa System, Adjustable Volume, Outdoor Activities, Coaching, Football, Baseball, HockeyThe UZI-MP-PRO 50-Watt Megaphone with Siren features adjustable volume and recordingplayback This model also features a detachable microphone, repeat pla..