Meet the Xenxo S-Ring: a smart ring that lets you take calls, store your files securely, control your music, and make payments more conveniently. It can also work as a fitness tracker, phone link, door opener, and private wake up alarm. The ring comes with motion sensors, built-in microphone, and battery that lasts up to 3 hours (talk-time).
This smart ring is compatible with iOS, Android, Windows, and Mac devices. It is splash, water, and dust resistant. Like what you see? You can pre-order yours on Kickstarter.