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
![KeiBn Upgrade Laptop Cooling Pad, KeiBn Laptop Cooler 2 Fans for 10-15.6 Inch Laptops, 5 Height Stands, 2 USB Ports (S039): Amazon.co.uk: Computers & Accessories KeiBn Upgrade Laptop Cooling Pad, KeiBn Laptop Cooler 2 Fans for 10-15.6 Inch Laptops, 5 Height Stands, 2 USB Ports (S039): Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/71KbpTI1-XL._AC_UF1000,1000_QL80_.jpg)
KeiBn Upgrade Laptop Cooling Pad, KeiBn Laptop Cooler 2 Fans for 10-15.6 Inch Laptops, 5 Height Stands, 2 USB Ports (S039): Amazon.co.uk: Computers & Accessories
![Tecknet Auto Laptop Cooling Pad Fits 12"-17.3" Notebooks, Adjustable Height Gaming laptop cooler With 2 USB ports And 2 Powerful Fans, Silent Ergonomic Laptop Fan Stand For Desk with LED display: Amazon.co.uk: Tecknet Auto Laptop Cooling Pad Fits 12"-17.3" Notebooks, Adjustable Height Gaming laptop cooler With 2 USB ports And 2 Powerful Fans, Silent Ergonomic Laptop Fan Stand For Desk with LED display: Amazon.co.uk:](https://m.media-amazon.com/images/I/810OCq2QXqL.jpg)
Tecknet Auto Laptop Cooling Pad Fits 12"-17.3" Notebooks, Adjustable Height Gaming laptop cooler With 2 USB ports And 2 Powerful Fans, Silent Ergonomic Laptop Fan Stand For Desk with LED display: Amazon.co.uk:
Recently, I connected 2 laptops via a regular USB cable using for cooling pad. I just wanted transfer data. I wonder if it can damage them or not? - Quora
![LIANGSTAR Laptop Cooling Pad, Laptop Cooler with 6 Quiet Fans for 12-17 Inch Notebook Gaming Fan Stable Stand, 7 Height & Wind Speed Adjustable, 2 USB Port & Phone Holder (Black) : LIANGSTAR Laptop Cooling Pad, Laptop Cooler with 6 Quiet Fans for 12-17 Inch Notebook Gaming Fan Stable Stand, 7 Height & Wind Speed Adjustable, 2 USB Port & Phone Holder (Black) :](https://m.media-amazon.com/images/I/81zism-IqGL._AC_UF1000,1000_QL80_.jpg)
LIANGSTAR Laptop Cooling Pad, Laptop Cooler with 6 Quiet Fans for 12-17 Inch Notebook Gaming Fan Stable Stand, 7 Height & Wind Speed Adjustable, 2 USB Port & Phone Holder (Black) :
![Kootek 12"-17" Laptop Cooling Pad Cooler Chill Mat with 5 Quiet Fans LED Lights and 2 USB 2.0 Ports Adjustable Stand Height and Angle : Amazon.co.uk: Computers & Accessories Kootek 12"-17" Laptop Cooling Pad Cooler Chill Mat with 5 Quiet Fans LED Lights and 2 USB 2.0 Ports Adjustable Stand Height and Angle : Amazon.co.uk: Computers & Accessories](https://m.media-amazon.com/images/I/81t9B5pBMBL._AC_UF1000,1000_QL80_.jpg)
Kootek 12"-17" Laptop Cooling Pad Cooler Chill Mat with 5 Quiet Fans LED Lights and 2 USB 2.0 Ports Adjustable Stand Height and Angle : Amazon.co.uk: Computers & Accessories
![Laptop Cooling Pad, Laptop Cooler Portable 2 Usb Ports,notebook Cooler Cooling Pad Stand Chill Mat | Fruugo UK Laptop Cooling Pad, Laptop Cooler Portable 2 Usb Ports,notebook Cooler Cooling Pad Stand Chill Mat | Fruugo UK](https://img.fruugo.com/product/4/95/598665954_max.jpg)
Laptop Cooling Pad, Laptop Cooler Portable 2 Usb Ports,notebook Cooler Cooling Pad Stand Chill Mat | Fruugo UK
![Laptop Cooling Pad Gaming Laptop Stand Cooler Pad with 6 Adjustable Wind Speed Notebook Riser with 6 Height 2 USB Port for 11-17.3 Inch Laptop - msy.com.au Laptop Cooling Pad Gaming Laptop Stand Cooler Pad with 6 Adjustable Wind Speed Notebook Riser with 6 Height 2 USB Port for 11-17.3 Inch Laptop - msy.com.au](https://assets.msy.com.au/newsite/images/202306/source_img/Laptop-Accessories-Laptop-Cooling-Pad-Gaming-Laptop-Stand-Cooler-Pad-with-6-Cooling-Fans-Notebook-Riser-with-6-Adjustable-Height-2-USB-Port-for-11-17-3-Inch-Laptop-21.webp)