The electrostimulation of beurer is a small, lightweight and handy device. It fits easily on the buttocks muscle whatever your template. It can be used regardless of your position, like sitting up, allowing you to do other things simultaneously. I've also tested on the abs and the machine adapts perfectly. The pro-dragging is autonomous, as soon as you turn the program automatically starts it attack by a muscle warm and then pick up on three different exercises. You can do exercise intensity by lowering or increasing the power of the stimulator. Requires two LR6 batteries that are found everywhere and apparatus is not very demanding in matters of battery. As against the gel patches that ensures contact with the electrodes and the body are changing from time to time for 16 euros which is acceptable. Nevertheless it also has some drawback, the gel that prevents direct contact between discharges released by the electrodes and the skin prepared deteriorates with time, but you can shop for new Amazon for 1650. It also lacks a thread
