Fin is a Bluetooth-enabled ring that allows users to assign a range of smart functions to different parts of their hand.

A new wearable, gesture-based device from RHL Vision Technologies literally puts the control in the palm of your hand. Or rather, on your hand.

Fin is a smart ring prototype that is worn around the thumb, allowing users to turn their palm into a digital controller. Fin incorporates an optical sensor that is able to detect swipes and taps on your hand, matching the desired action to an assigned function. Connected to the device you’ve selected – smartphone, smart TV, etc. – Fin detects the gesture and sends the corresponding command (i.e. changing the song on your phone).

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