3-piece Set: ValueRays&reg; USB Warm Keyboard Pad & USB Shoulder Warmer & USB Mouse Hand Warmer&reg; - 3 Pieces - Mini Electric Blanket, Heated Keyboard Pad, Heated Shoulder Shawl Convenient control on/off switch on cord Long cord with USB connection Low 5v carbon fiber heating element Heats from 99  104 degrees Fahrenheit Easy plug & play installation