I just saw the Veru One posted and it seems neat. Different from normal devices in that it only notifies and not restricts.
evolvingyourman.com

Introducing The Veru One: A Cageless Smart Male Chastity Device - Evolving Your Man
Hold onto your key necklaces—the constantly evolving male chastity world is about to get a techy glow-up with The Veru One, a new device from a company called
