Coolcold 4fans with Led Light 17inch and Below Notebook Cooling Pad, USB Power Laptop Cooling Fan for Macbook Pro, Hp Laptop, Dell Laptop, Toshiba Laptop, Acer Laptop, Xbox and Playstation Which Has Two USB Plug Built-in four 140*140*15mm fans provide massive airflow to cool the whole notebook base with no blind area. The creative Multi-Core Control Technology enables users to apply 4 different fan-working statuses: 4 fans on / 2 upper fans on / 2 downside fans on / 4 fans off. Ergonomic design with 3 viewing angles available for the most comfort in use. 2 USB ports allow users to connect their personal USB devices & 2 set of fan speed control switch, adjust the light and fan munually.