Summary: I got this device to record telephone conversations. It has done that successfully although it is a bit awkward to use. I wonder if a record from this device would be accepted as evidence in a court of law.
Summary: The device records very well. The earpiece is a little uncomfortable initially, but after a while (say ten minutes into the conversation) I didn't feel it any more. The big complaint is the recording level. Needs some sort of "volume control" to limit the recording level. Overall, it's a great device. Way better than the way-expensive Dynatech that I had purchased, which no longer works.
Summary: I use this for work, conducting interviews, so I don't have to worry about missing a few words. The cable attaches to any recording device, and fits comfortably in your ear, picking up all aspects of a conversation. I gave it to a friend who was getting harassing calls. I've recorded people giving me difficult instructions over the phone. There are just so many uses.
Pros: Clear Signal, Comfortable, Easy To Use, Good Sound, Lightweight