Homedics Thera-P Hot & Cold Handheld Massager provides an invigorating vibration massage for the entire body; Variable speed control; Comforting heat; Cold Treatment provides relief for tired muscles; 9 Custom massage attachments: Comforting Heat, Cold Gel; Multi-Node, Dispersed Pressure, Targeted, Pressure Point, Gentle Pressure, Spread Point, and Multi-Ridge; Storage bag included.