Before the end of this year, the Nod ring may just offer perhaps the sleekest way yet to control your Android devices, smart TV, computer, and other devices using the Force - ahem, Bluetooth. Just by sliding this gadget onto a finger, users should be able to replicate swipes and mouse movements with a wave of the hand.

Prior products haven't really nailed this type of interaction in a way that's really usable in a practical sense.

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