Fin is a wearable ring that allows users to control electronic devices with gestures. It acts as a numeric keypad, gesture interface, and controller. Fin can control the visibility of devices, configure devices, and allow hands-free activities like gaming, photos, and file sharing. The ring went through several prototypes and now has waterproof and long battery life capabilities. It connects via Bluetooth and is compatible with multiple device types. Fin was recognized as one of the top 15 startups in the world at CES2014.