Wackiest Japanese Inventions You Have To See to Believe 35. Hearing Enhancer Do you have trouble hearing softer sounds that conventional hearing aids can’t fix? Japan has the answer. Prev Next Pages: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41
