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
![Laptop Cooling Pad, Gaming Notebook Cooler for Up to 15.6 Inch Laptop, 6 Fans with Blue Light, 4 Heights Adjustment, 2 USB Port, 2021 Newest Laptop Cooling Fan Stand - Walmart.com Laptop Cooling Pad, Gaming Notebook Cooler for Up to 15.6 Inch Laptop, 6 Fans with Blue Light, 4 Heights Adjustment, 2 USB Port, 2021 Newest Laptop Cooling Fan Stand - Walmart.com](https://i5.walmartimages.com/asr/c85cae0d-6777-4bc8-9346-b2a4807d57c5.cb5433a8872dd52760803e363dc74113.png?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Laptop Cooling Pad, Gaming Notebook Cooler for Up to 15.6 Inch Laptop, 6 Fans with Blue Light, 4 Heights Adjustment, 2 USB Port, 2021 Newest Laptop Cooling Fan Stand - Walmart.com
![SANOXY Laptop, Notebook Cooling Pad Fan Stand, Laptop Cooler up to 15 in. SNX_15in-LTCOL - The Home Depot SANOXY Laptop, Notebook Cooling Pad Fan Stand, Laptop Cooler up to 15 in. SNX_15in-LTCOL - The Home Depot](https://images.thdstatic.com/productImages/8efe1760-8c56-4189-941e-90ba30da5b93/svn/sanoxy-computer-laptop-accessories-snx-15in-ltcol-64_600.jpg)
SANOXY Laptop, Notebook Cooling Pad Fan Stand, Laptop Cooler up to 15 in. SNX_15in-LTCOL - The Home Depot
![Amazon.com: havit HV-F2056 15.6"-17" Laptop Cooler Cooling Pad - Slim Portable USB Powered (3 Fans), Black/Blue : Electronics Amazon.com: havit HV-F2056 15.6"-17" Laptop Cooler Cooling Pad - Slim Portable USB Powered (3 Fans), Black/Blue : Electronics](https://m.media-amazon.com/images/I/51+142vwVRL._AC_.jpg)
Amazon.com: havit HV-F2056 15.6"-17" Laptop Cooler Cooling Pad - Slim Portable USB Powered (3 Fans), Black/Blue : Electronics
![Amazon.com: TECKNET Laptop Cooling Pad, Portable Ultra-Slim Quiet Laptop Notebook Cooler Cooling Pad Stand with 2 USB Powered Fans, Fits 12-16 Inches (Blue) : Electronics Amazon.com: TECKNET Laptop Cooling Pad, Portable Ultra-Slim Quiet Laptop Notebook Cooler Cooling Pad Stand with 2 USB Powered Fans, Fits 12-16 Inches (Blue) : Electronics](https://m.media-amazon.com/images/I/516WOmsiNKL._AC_.jpg)
Amazon.com: TECKNET Laptop Cooling Pad, Portable Ultra-Slim Quiet Laptop Notebook Cooler Cooling Pad Stand with 2 USB Powered Fans, Fits 12-16 Inches (Blue) : Electronics
![Cooler Master Sf-17 Non-slip Gaming Laptop Cooling Pad With 180mm Big Fan Ergonomic Design Notebook Cooler Base For Laptop 0-17' - Laptop Cooling Pads - AliExpress Cooler Master Sf-17 Non-slip Gaming Laptop Cooling Pad With 180mm Big Fan Ergonomic Design Notebook Cooler Base For Laptop 0-17' - Laptop Cooling Pads - AliExpress](https://ae01.alicdn.com/kf/Sd59cada3ba794aa9bc3e7ab08d196421n/Cooler-Master-SF-17-Non-slip-Gaming-Laptop-Cooling-Pad-With-180mm-Big-Fan-Ergonomic-Design.jpg_Q90.jpg_.webp)