The Sunny Health Fitness Crazy Fit Massager provides powerful stimulation to help you relieve stress for your entire body. This massager is designed to help improve your circulation and your nervous system function. It will also help enhance your bone density and tone your muscles This Sunny Crazy Fit Massager features three built-in workout programs and a BMI reader, which can help you meet your fitness goals. This product features 20 speed levels that you can have a custom, comfortable massage. The extra-large console contains three LED displays that are easy to read. It also features overload protection, keeping it safe from electrical surges.