A cooling pad for portable computers. Many laptop computers run very hot, which can degrade the equipment over time and also be uncomfortable if actually running on a user's lap. See CPU cooler.
"notebook cooler." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/notebook-cooler>.
notebook cooler. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/notebook-cooler