This is a used Thermaltake Massive 23 CS laptop cooling pad that has a 23 cm very quiet fan with an on/off switch on the cord. There are lights that can be used in combination with the fan which light up Blue, Green or Red. They can also cycle through all the colors if on the last setting. The aluminum design helps reduce and disperse the heat off the laptop in combination with the mesh design and the 8 inch fan your laptop will surly stay at the perfect temperature. This universal Thermaltake fan Is perfect for any computer up to 16" wide and has an anti-slip foot pad design making sure it won't move on solid surfaces. There are 6 total settings 5 light settings with 1 setting for the fan without lights. It also has a 2 foot usb cord to plug into your computer with an on/off switch.