Exerciser Wrist Arm Gyroscope Gyroscope Exercise Strengthen Massage Ball Trainer☛ Item Specification1.DO not drop the ball on hard surface at any time,the heavy rotor will damage.2.DO not touch the ball rotor when it is spinning at high speeds,it will burn.3.DO use this product persons who with hear..
New Force Ball Power Gyro Wrist Multicolor Ball Arm Exercise Ball☛ Item Specification1.DO not drop the ball on hard surface at any time,the heavy rotor will damage.2.DO not touch the ball rotor when it is spinning at high speeds,it will burn.3.DO use this product persons who with heart conditions of..