Body Vibra is an easy-to-use slimming belt that uses ultrasonic vibration and unique oscillating massage action to tone your waist, abs, hips, thighs, arms and buttocks. It helps enhance circulation, ease soreness, build muscle, enhance metabolism and reduce fat without exercising. Comfortable to wear while you watch TV, relax or work around the house, it is portable and adjustable. Comes with two massaging units that can be used together or separately on your belly, glutes, arms and more. Rechargeable lithium ion cell battery included.