Supersonic Ear

by Carrie
(Birmingham, England)

I use this gadget for many purposes, mostly to track somebody using the sounds they make. It can also be useful for hearing a fellow agent say something in another room or on another floor without anyone else hearing the message.

I like it because it is so efficient and effective but can still be quite unnoticable if used correctly.

I recommend it to anyone who likes to listen in on conversations (even your parents'/pesky little brothers' and sisters' conversations) as it is very responsive and can pick up even the quietest of sounds. It is one of my most used gadgets and I love it!