Microsoft Z3C-00005 Notebook Cooling Base (Black)
Powerful cooling in style. Protect your laptop from overheating with the  stylish and reliable Microsoft Notebook Cooling Base. Use it on your desk with  the flip-up stand for a more comfortable typing angle. Or, turn it sideways and  use it on your lap—the cooling channel keeps air flowing freely.Features:   InnovativeEfficient cooling channel directs heat away andprevents overheatingSingle fan design for low power consumptionCable management clip VersatileDesigned for desk or lap use—just turn 90 degreesBuilt-in height adjustment provides added comfortCompact and lightweight  Reliable3-Year Limited Hardware WarrantyUSB powered—no AC power needed