This is Pongbot M-ONE, unveiled at Shanghai University of Sport.
The device was co-developed by Shanghai University of Sport and SIASUN Robot & Automation Co.
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It can adjust the speed and spin of the ball according to a player's level.
M-ONE can also produce and analyze players' data to help improve performance.
It's believed to be the world's first mass-produced robot that uses mechanical arms to serve with a racket.
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