Wearable ring, wristband allow users to control smart tech with hand gestures

Using acoustic chirps emitted from a ring and received by a wristband, like a smartwatch, the system is able to recognize 22 different micro finger gestures that could be programmed to various commands — including a T9 keyboard interface, a set of numbers, or application commands like playing o

Read more: https://www.sciencedaily.com/releases/2018/05/180514151908.htm

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