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A product that allows users to view records in an app by linking a phone with a badminton racket.1Which color fits in the racket is calculated and displayed on the app.Vibration is detected whenever the dent touches the sensor, which is the outer movement of the head.Reaching a certain score-A kind of reward, flowering motion, gives rise to a desire to continue enjoying leisure.Place the magnet on the head of a two-racket, press the button on the handle flower, the magnet comes out, and the dragon picks up the shuttlecock.3 Racket length can be adjusted so blood can be minimized.4 It can be used to light up a head sensor.
Ansan, North Korea
O eun seon,