Ring is stuffed with smart sensors that give the wearer the ability to turn on a TV, use gesture control to type in midair, complete financial transactions, or receive incoming alerts with its built-in vibration and LED. You can also configure your own custom gestures using the companion app. It pairs with compatible Bluetooth 4.0 devices or to any Wi-Fi or IR capable device via a hub accessory. Right now, the Ring is compatible with iOS and Android devices with Bluetooth 4.0 support.