Electrostimulation in ABS zone and muscles in the back zone; Produces the effect of 400 abdominals in 1 minute, 180 routines of different exercises, with only 10 minutes a day; It is a very effective way to tone the body, 20 intensities, 180 routines, 9 programs more powerful, more ergonomic and with more programs. 9 programmes - . 20 intensity levels. One size fits all. General information: Size H37, W14, D2.5cm. Batteries required 1 x AAA (not included). Manufacturers 2 year guarantee.