Fitness running weight bracelet

Weight training to increase muscle strength and volume, endurance and cardiopulmonary function.Burns fat faster, keeps muscles firm, and strengthens bones.The outside of the product is made of high quality foam, soft and comfortable, play the role of cushioning protection, built-in special alloy, can be twisted and bent at will, can be reset after use, easy to use.Suitable for all kinds of sports, outdoor sports, aerobic exercise and daily life can be worn.