Everything is becoming smart, glasses, watches, lenses and now even rings. RHL Vision Technologies have finalized their Fin Bluetooth Wearable Ring. You can manage your entire digital world via a single ring. Just wear it on a thumb can convert your palm into a touch interface through the included sensors. From then, communicate and control the movements on compatible devices just by swiping your thumb on the palm through Bluetooth (2.1+ EDR and 4.0) signal combining with an integrated app. Fin is water proof, flexible, durable, dust proof, secure and has a vintage style. Fin is compatible with all the iDevices. Wear it like any other fashion accessory and have miraculous fun.