How do you turn off the CV1?

Have searched around on this subreddit and a google search, but can't seem to get a straight answer. How does one turn off the CV1? I notice that it goes into sleep mode, the light inside the headset turns amber. i'd like to turn the whole thing off though, if i'm not messing with it. Ive read people talk about a "button" but for the life of me can't find one! THANKS!