Pyle PMP10 speakerphone

Mini Handheld Megaphone Bull Horn Voice Amplifier This hand-held voice amplification device is the perfect accessory for those looking to get immediate crowd attention or involvement, whether it be sporting events, concert venues, or school functions. This compact, yet powerful, portable megaphone will provide 10 watts of output power,allowing the operator's voice to be projected a distance of up to 500 feet away. Deemed the world's smallest battery operated megaphone, weighing less than one half of a pound with a diameter of only 3.25" by 5.38" in length. It requires three "AAA" sized batteries (not included) and comes equipped with a built-in electronic siren function. Additional features include an adjustable volume control, power on/off switch with LED indicator, and a convenient wrist strap accessory.