Interesting piece of kit.
Pros
•Well designed, looks good
•Lightweight
•Rechargeable
•Powerful
Cons
•would be tricky to use on areas such as shoulders with limited mobility
Overall a good buy. I have only been using a few minutes at a time to get used to the sensation - it left me feeling a bit queasy the first time! Great on shoulders, especially if you can find a willing someone to do it for you! Just build up slowly.