What else ya got??
Any switches? Any old VCR's or other electronic boxes you can steal parts (switches) from? Even an old inline lamp switch would work. Otherwise you could plug and unplug to
vape, but I wouldn't recommend it.
Any kind of a box to mount the switch in? Anything...preferably not cardboard.
Battery connectors?
Soldering iron?
Voltmeter?
Prolly gonna need some more cord, that one looks kinda short, gonna have you all hunched up next to your puter.
Anyway, strip that cord back about an inch, lets see what color wires you got.