The most practical and effective system to stay in shape. 2 compact electronic devices for exercising the muscles without effort. Both work with remote control. Tones and sculpts the entire body. Advanced dual muscle-stimulation technology. Because of its compact size, it can be used under clothing. 6 programmes - 1 Muscle Building, 2 Slimming I, 3 Slimming II, 4 Fitness, 5 Anti-cellulite, 6 Massage . 10 intensity levels. 4 pads included. One size fits all. General information: Size H2.5, W21.5, D16.5cm. Batteries required 5 x button cell (not included).