Air Coolers
Air cooling is a method of dissipating heat. It works by expanding the surface area or increasing the flow of air over the object to be cooled, or both. An example of the former is to add cooling fins to the surface of the object, either by making them integral or by attaching them tightly to the object's surface.
The unibody model debuted in October 2008 in 13- and 15-inch variants, with a 17-inch variant added in January 2009. Called the "unibody" model because its case was machined from a single piece of aluminum
Logitech 2.4 GHz Digital Cordless for Business features frequency agility. With this technology, the Logitech mouse or keyboard that encounters any interference from another cordless device will automatically identify and switch to a more “quiet” location in the band to transmit data.