Electrostimulation involves stimulating the nerve fibres surrounding the muscles with electric impulses applied to the surface of the skin via electrodes. This stimulation contracts the muscles using short, targeted electric impulses to guarantee optimum efficacy and comfort. The Stim + from Lanaform has two electrodes work on all your body’s muscles to firm and tone them. With this electrostimulation unit you can set the level of intensity (1-5) and adjust it for different users. The Stim + also has 4 individual ascending stimulation functions: Heating Beginner Intermediary Advanced Specifications : Electrostimulation unit 5 intensity levels 4 functions Rechargeable via the mains or USB Additional patches sold separately Patches easy to maintain