Legazone(TM) 2015 Newest Mini LED Vacuum USB Fan for Laptop, Notebook USB Cooling Fan, Tablet Computer USB Cooler, USB Fan Controller, Mini USB Fan Quiet, USB Fan Silent , Air Extracting Case Cooling Cooler, USB Radiator, USB Heat Sink, Notebook CPU Cooler, for 12 14 15.6 17 inch Dell Lenovo Asus Acer HP Hasee Sony Toshiba Samsung Notebook Laptop Computer and others5V DC USB Cable Version, Black Color) The original quiet and strong cold dual mode design Imported turbofan, long life, large air volume, low noise The original inversion integration air duct, duct distance is short, small resistance, heat dissipation and mute effect is better Smart precise temperature display, using the latest market LCD screen, anywhere, anytime to master laptop temperature always adjust the ventilation effect The third generation of powerful motors, cooling efficiently instantaneous, consumes less power