Summary: The only reason my rating is so low is because the seller included NO instruction manual....What I have figured out about the recorder is wonderful, but, there are many things I have no idea how to do yet.
Summary: Has good features such as being able to Bookmark an area whether in record or playback mode. Setup is simple, instruction sheet is probably necessary for those not too good at figuring out electronic equipment by trial and error. Ease of use is good. Fallback would be the lack of a USB jack to plug into computer for easy downloads. This can be overcome by using your Sound Recorder found on most computers.
Summary: I don't usually give bad reviews, but this product really deserves one. I am a reporter for a local magazine and needed a voice recorder to conduct interviews. I purchased this recorder and realized after reading and re-reading the instructions that it definitely does not have an On/Off switch. Some other reviewers have said that placing it on "Hold" will eventually turn off the screen. Well, I put it on "Hold" and left it for 24 hours.
Summary: With its compact design and intuitive features, the Sony ICD-B100 was just the device I needed to carry with me for recording quick memory joggers that I'd normally tend to forget. Its use is easy, and multiple folder features actually makes sorting out what is recorded simple. Don't expect a lot of bells and whistles - this device is built for recording sounds, has clockworks, and that's about it.
Summary: I notice there are several reviews complaining about the lack of an separate on/off switch on the Sony B100. (The Hold button does not serve as an on/off switch.) However, the B100 does not need an on/off switch any more than does a digital watch. My watch is a cheap Timex digital. It does exactly what an idle B100 does - it keeps track of the time, it displays the time, and it monitors function buttons. Yet it goes about three years on a coin size battery.
Summary: I use this to record lectures. It records. It plays it back. The sound isn't the greatest when listening to what was said, but if you put on headphones, that helps A LOT. If you want something small and digital that records with no bells and whistles, this is it.