The BTMB Maggie doesn't need a flowery description. It does spot on Magnatone vibrato. That's it. Plain and simple. Specifically, the Magnatone 280 - the holy grail of Magnatone's line. That also includes STEREO mode. This is true stereo where the pitch from the left output is bending in one direction while the pitch from the right output is bending in the other direction. Runs on 9VDC power supply or single 9V battery.