Features Usb/Sd Card Playback - Store music, speech, or any audio content on the Usb and Sd card and play it directly via the megaphone using the bullhorn's built-in playback.all Weather Use - Made of heavy-duty Abs for sturdiness and weather resistance, ensuring durability and reliability.detachable Mic - The megaphone bull horn comes with a detachable handheld mic. Hold it in front of your mouth and point the bullhorn in any direction.portable - Lightweight design, convenient carry strap, & powered by 6 type ""D"" battery (not included) , built for people on the go.Megaphone Specification:Power - 50WVolume Control - YesRecord Duration - 60 SecondAlarm/ Siren Mode - YesVoice Projection Range - 300 MetersPower Source - Battery(not included)Battery Type - DNo. of Battery Require - 6Package Includes:1x Megaphone