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Features:, Exercise with powerball is completely equidistant, so it can complement any training method. Powerball exercises the arms in a way that

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LED Gyro Ball Gyroscope Powerball Autostart Range Gyro Power Wrist Ball Arm Hand Muscle Force Forearm Trainer Fit, 運動產品, 其他運動配件- Carousell

1x Gyroscopic Powerball. The dominant hand/arm was easily able to keep the gyro. Type : Wrist ball. Small, compact and transportable, you can take

LED Wrist Ball Gyroscopic Powerball Autostart Range Gyro Power Fitness Equipment

Led Gyroscopic Powerball Autostart Range Gyro Power Wrist Ball Arm Hand Muscle Force Trainer Fitness Equipment

Features: Exercise with powerball is completely equidistant, so it can complement any training method. Powerball exercises the arms in a way that conventional isotonic (free weight) exercise training cannot achieve, and it can absorb a higher percentage of muscle fibers in a shorter time.

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LED Gyro Ball Gyroscope Powerball Autostart Range Gyro Power Wrist Ball Arm Hand Muscle Force Forearm Trainer Fit, 運動產品, 其他運動配件- Carousell

LED Gyroscopic Powerball Autostart Range Gyro Power Wrist Ball Arm Hand Muscle Force Trainer Fitness Equipment