Gyro Ball Power Wrist Trainer Gyroscope Ball, Auto-Start Hand Strengthener, for Training Hand and Arm Muscle

Features:

• Product Name: Wrist Ball
• Core material: zinc alloy
• Shell material: polycarbonate, silicone
• Product contains: wrist ball *1 wrist strap *1 (not including other things)
• With light design, it turns colorful and very cool
• No power required, mechanical start
• Lightweight and convenient, exercise muscles anytime, anywhere

Description:

• Excellent Gyro ball: The shell is made of polycarbonate, the ball built-in aluminum alloy plating ball core, high stability. Upgraded version provides smoother experience and lower noise
• Auto Start Feature: Smart design, easy to start, no batteries required, start with your fingers, and the quicker you spinning, the more power you get. Relive your stress, especially help the recovery of muscle and ligament injuries
• Exercise & Entertainment: Optimized and upgraded auto-start bar make the movement smoother and noise lower. The faster the wrist turns, the stronger the impact strength.Adjust the speed according to your needs, increasing the fun of exercise.
• Decompression Fitness: Effectively relieve the musculoskeletal pain and arthritis caused by long-term use of wrists and arms, also can help fitness enthusiasts carry out targeted strength training.
• Work Principle: The wrist ball uses a gyroscope and similar astronomical motion principles to generate powerful inertial centrifugal forces so that the arms and wrists can independently feel the best movement state.