Features:
• First ever heated computer keyboard on the market.
• 3 Step Switch - (1) Heat off, (2) Low heat (85° F to 90° F) Normal hand temperature (3) High heat (95° F to 100° F) Normal body temperature.
• Great for keeping your hands warm & comfortable. 
• Promotes healthy blood circulation.
• Constructed with upgraded materials and components inside and out.
• UL listed.
• Convenient multimedia keys on top of the board.
• USB compatible.
• Great for shop, office, and home.
• Energy efficiency: 20 watts