Just got this a few days ago and I must say it is a huge help. Some of the songs I play the actual tempo is different than what it would initially feel like and so far this is helping me stay on track. Although I would have to disagree with everyone by saying that this thing isn't too loud. In my opinion it isn't loud enough. It works great when I'm playing my drum kit with the practice pads on but with out it, even directly in my ear, I still have a hard time hearing it. But overall I would have to say that if you need something to help keep you on tempo for this price you just can't beat it.

I agree with some of the other reviewers that it IS a bit loud and the volume is not adjustable. So I attach it to my shirt collar as well. It has many different timings and is very functional other than no volume control. The price is a steal as you cant really buy a decent metronome today without paying over 30 bucks. Its very 007 and modern and makes you look cool, plus, you will actually play in time if you use it and loose all that sloppy picking and bad habits you may have. I also credit it to rapid improvement in my timing and dynamics. I was unaware just how much a metroGnome could do for my playing. Its like majic, James Bond watch out, I'm getting very trick with my metroGnome! SS

I credit this product for improving my guitar playing more than anything else. The Korg MM-1 is so small that you can have it with you to work on your timing nearly anywhere. It is a little bit loud to be directly in the ear iPod-style so I usually clip it to my ear lobe or shirt collar. It takes about 5 seconds to change the battery WITHOUT TOOLS via a fingernail notch. That's a rare occurrence though because the battery lasts forever. Great product!

I'm a dog agility judge, and I use my metrognome to accurately count five seconds on the table. I hang it around my neck with my whistle, and it's always available. With agility runs timed to hundredts of a second, it's very valuable to have an accurate table count.

You get what you pay for. Sure, it is small and the design is enticing. And while i cannot speak for the quality of the metrognome's performance, (mine does not work out of the package witha new battery) this unit has all sorts of tiny parts that can easily get lost. The clear buttons that you push to turn on the metronome and change the modes are losely sitting in the unit, so that if you are changing the battery, it would be impossible to find these pieces if they were accidentally dropped. This goes for the screws that keep the thing together too, you are going to need a very fine screwdriver to change the battery. Korg had these things backorded for forever and now that i have received it, it is crap.