DDJ-1000 USB port B as power supply

Dear all,

we all know how it is to DJ in really dark environment. So usually, I like to have some light in this situation.

Question - (when there is no need for dj takeover) can I use USB port B with USB port converter to plug in something like this:

https://www.ebay.com/itm/Flexible-Mini-USB-LED-Light-Reading-Lamp-For-Computer-Notebook-Laptop-Bright/222900188495?hash=item33e5e2f54f:m:mlsS_3wea4GdiQyQ9P-Vsrg

Thank you in advance!