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
![Amazon.com: Laptop Cooling Pad, Laptop Cooler with Temperature Display, Rapid Cooling, Auto-Temp Detection, 13 Wind Speed(2600-5000RPM), Perfect for Gaming Laptop, Nintendo Switch : Electronics Amazon.com: Laptop Cooling Pad, Laptop Cooler with Temperature Display, Rapid Cooling, Auto-Temp Detection, 13 Wind Speed(2600-5000RPM), Perfect for Gaming Laptop, Nintendo Switch : Electronics](https://m.media-amazon.com/images/I/71Ypo7w7jkS.jpg)
Amazon.com: Laptop Cooling Pad, Laptop Cooler with Temperature Display, Rapid Cooling, Auto-Temp Detection, 13 Wind Speed(2600-5000RPM), Perfect for Gaming Laptop, Nintendo Switch : Electronics
![NUOXI 12-17.5 inch Laptop Cooling Pad USB Laptop Cooler Portable USB Air- cooling Fan With 5 Cooling Fans with Stand | Lazada PH NUOXI 12-17.5 inch Laptop Cooling Pad USB Laptop Cooler Portable USB Air- cooling Fan With 5 Cooling Fans with Stand | Lazada PH](https://ph-live-01.slatic.net/p/752c170cfdef56611c779efb465d35ac.png)
NUOXI 12-17.5 inch Laptop Cooling Pad USB Laptop Cooler Portable USB Air- cooling Fan With 5 Cooling Fans with Stand | Lazada PH
![Amazon.com: Laptop Cooling Pad Ideal Cooler for Gaming Laptops/Notebooks up to 17" Adjustable Three Angle Stands Innovative Powerful Cross Flow Turbines for Gamers and Office : Electronics Amazon.com: Laptop Cooling Pad Ideal Cooler for Gaming Laptops/Notebooks up to 17" Adjustable Three Angle Stands Innovative Powerful Cross Flow Turbines for Gamers and Office : Electronics](https://m.media-amazon.com/images/S/aplus-media-library-service-media/b65017ea-7d28-420c-9163-18a37e8b304e.__CR0,0,970,600_PT0_SX970_V1___.jpg)
Amazon.com: Laptop Cooling Pad Ideal Cooler for Gaming Laptops/Notebooks up to 17" Adjustable Three Angle Stands Innovative Powerful Cross Flow Turbines for Gamers and Office : Electronics
![Amazon.com: KeiBn Upgarde Laptop Cooling Pad, RGB Lights Laptop Cooler 6 Fans for 15.6-17.3 Inch Laptops, 7 Height Stands, 10 Modes Light, 2 USB Ports, Desk or Lap Use (A8,Blue) : Electronics Amazon.com: KeiBn Upgarde Laptop Cooling Pad, RGB Lights Laptop Cooler 6 Fans for 15.6-17.3 Inch Laptops, 7 Height Stands, 10 Modes Light, 2 USB Ports, Desk or Lap Use (A8,Blue) : Electronics](https://m.media-amazon.com/images/I/71KjnkHa8DL.jpg)