What is the best hearing aid!!!!

hearing aid
You are enjoying a sci-fi movie where a cool android flies and drops countless bombs but no matter how frequent it explodes, you can’t hear a sound. You tried to turn the volume in its limit but you still can’t hear a thing. Sadly, I think it isn’t the volume you need but a hearing aid. Hearing aid is an electronic device that the persons with hearing impairments that amplifies sounds for them....