'Standalone' BlinkStick square for prototype


I wanted to ask if a BlinkStick Square would function by simply connecting to it to some power source like a mobile phone charger?

I.e. can any code for colour changes, flashing etc. be stored on the BlinkStick Square and automatically start when it is connected to a power source? I.e. not a computer

Basically I am looking for a simple light source for a prototype and I would like anyone to be able to use it by simply by plugging it in

Many thanks!