✅3 MODES & SPEEDS & OPEN DESIGN, FITS MOST PEOPLE - This foot calf leg massager has 3 Modes and Speeds. 3 modes are similar with backward and forward massage conversion in different time. 3 Speeds control the massaging speed to low, medium and high. We encourage you to use the low speed initially. The open design with 5" wide foot/calf area can fit most feet size that smaller than 5" wide.