The Muttus M30 is an Italian Designed Battery Powered Percussion Massager. The reason I believe the Muttus M30 Percussion Massager is the best is because it has the quietest and most powerful motor that can percuss at 3200 beats per min. It also can do that almost silently and for hours with the built in battery.
I have been using this portable massager daily since I have got my hands on it and I am hooked. Not to mention it is super portable and has its own carrying case that holds everything in place and looks great.