213 Sonic weapons
Unlike ordinary loudspeakers, which vibrate with thin films, sonic weapons usually use semiconductors as emitters, which can act like a spotlight to produce an extremely narrow beam of sound waves that can only be heard by a specific recipient, much like in martial arts novels
"Sound into the secret". This highly directional sound,
"Natural Disaster Purification" 213 Sonic Weapon is being hit by hand, please wait a moment,
Once the content is updated, please refresh the page again to get the latest updates!