SOUND GRENADE+ Personal Alarm
Meet the SOUND GRENADE+ : a personal alarm that emits a 130 decibel alarm for up to 30 minutes when…
July 25
Meet the SOUND GRENADE+ : a personal alarm that emits a 130 decibel alarm for up to 30 minutes when…
Here is a device that amplifies sounds all around you to help you listen better. Whether you want to eavesdrop…