Be HEARD - This megaphone has 75 watt peak power and can propel your voice and sounds up to 1000 feet away. BULLHORN SPEAKER WITH DETACHABLE MICROPHONE - Use the Included Wired Microphone to Project Your Voice.Alternative hand-held microphone with pluggable helix cable FUNCTIONAL - Has 4 audio modes: record, siren,talk and Whistle. The Record and replay audio function will keep your voice on command and they'll be sure to hear your message over and over. The siren function serves as a blast of sounding alert and with the talk function your words are instantly amplified in real-time. Built-in SD & USB Flash Memory Card Readers.Built-in Rechargeable Lithium Battery *or Battery Powered by (10) x "D" Type Batteries, Not Included.The cherry on top is a power plug that operates from a vehicle’s cigarette lighter. If you plan on using your megaphone for your vehicle, then you’ll be able to use it without batteries. PLUG IT IN - 3.5mm Aux-in jack allows you to connect any compatible external device including your iPod, iPhone, Android, or other smartphones and MP3 players to stream audio files directly through the megaphone. Alternative hand-held microphone with pluggable helix cable My Mealivos 75W 1000 Professional Yard Sound Range Heavy PA Bullhorn Megaphone Speaker, Adjustable Volume, Loud Hand Held Megaphone, Outdoor Activities, Coaching, Football, Baseball, Hockey(Ivory)