Check the listing for details. Personal Megaphone. Color: See Description, Condition: New, Made in CN. Listed at 27.32 USD. Avoid wearing out your voice from shouting and use our handy personal megaphone instead. This mini megaphone amplifies even the softest voice and it’s an effective way to alert members of the household or neighbors. Megaphone also includes a siren for emergencies and a carrying strap is included for portability. Runs on four AA batteries (not included). Measures 5” long.