Oh, that&#x27;s how it works. From the info on their web site,  it looks like it&#x27;s something that&#x27;s controlled by some signal at the venue, and unlocks automatically when you leave the controlled area.[1] Yonder&#x27;s site says <i>&quot;If at any point attendees need to use their phones, they simply step outside of the phone-free zone to unlock the case.&quot;</i><p>[1] <a href="http:&#x2F;&#x2F;overyondr.com&#x2F;" rel="nofollow">http:&#x2F;&#x2F;overyondr.com&#x2F;</a>