It says warm hands work better on the keyboard, then the cold hands in air-conditioned room. The Heatbuff is the ultimate gadget that will make keep your hand warm enough to work nicely on keyboard. So far, you have had to choose between fresh air, and warm hands, but now you can have both. The Envavo Heatbuff uses natural infrared waves, which improves the blood flow in your hands to keep them warm.
It has infrared bulbs are rated at 5.000 hrs (industry standard), and the company have carefully selected the best manufacturers to ensure a long lifetime. So further details about the Heatbuff, just click the video and watch what the experts says about it.