I just bought a affordable laptop cooler pad, it has two USB ports. One is used to extract power from laptop and running the fans, other port I tried to connect keyboard
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![Vencci Laptop Cooler Pad RGB Lights with 6 Blue Lights Cooling Fans for 15.6-17.3 Inch Laptops, 7 Height Stands, 10 Modes, 2 USB Ports in Right Side, Desk or Lap Use - Newegg.com Vencci Laptop Cooler Pad RGB Lights with 6 Blue Lights Cooling Fans for 15.6-17.3 Inch Laptops, 7 Height Stands, 10 Modes, 2 USB Ports in Right Side, Desk or Lap Use - Newegg.com](https://c1.neweggimages.com/ProductImageCompressAll1280/AYTDS211215UQ9RS.jpg)
Vencci Laptop Cooler Pad RGB Lights with 6 Blue Lights Cooling Fans for 15.6-17.3 Inch Laptops, 7 Height Stands, 10 Modes, 2 USB Ports in Right Side, Desk or Lap Use - Newegg.com
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