Drezela Electronic Muscle Stimulator, Abs Stimulator Muscle Toner, Ab Machine Trainer USB Rechargeable Gear for All Body, Fitness Strength Training Workout Equipment for Men and Women H9Brand: Drezela Features: Intelligent Fitness Apparatus The USB Rechageable training equipment is intended to stimulate healthy muscles in order to improve and facilitate muscle performance. This Ultimate ABS Equipment can help to tone, tighten and strenghten your body, you can gain a better figure after consecutive use of this product for about 2 months. HOW TO USE? To begin use simply apply the belt to your abs, then turn to desired intensity level.