SGZIOO Gyro Ball Wrist Exerciser, Forearm Exerciser with Colourful LED Lights, Powerball Gyroscope, Auto-Start Wrist Power Gyro Ball for Wrist, Arms, Fingers, Muscles Training & Strengthening (Black)

[Enhances Wrist and Hand Strength] This Gyro Ball Wrist Exerciser has been carefully designed to help improve coordination, promote blood circulation, regain and build strength in wrists, fingers, palms, forearms, biceps and multiple muscle groups, and enhance flexibility. [With LED Light Design] The gyro ball wrist exerciser comes with cool colourful lights, as the speed within the core increases, it will become dazzling with it, you can feel the dazzling sense of rhythm and increase the sense of rhythm when exercising, not only injecting passion into your workout, but also increasing the participation and fun of the exercise. [Runs Smoothly Without Vibration] This automatic gyro ball wrist exerciser does not require a traditional starter cord, built-in automatic elastic device, one push and release, the internal spring can be easily activated, easy to use, does not produce any strange vibration during operation, can ensure smooth and continuous rotation, providing users with a smooth use experience. [Rugged and Durable] The forearm exerciser is made of high quality materials, based on a sturdy zinc alloy core and secure silicone handles to ensure durability, and comes with a wrist strap to ensure a firm grip that won't slip out of your hand during use. [Portable Design] This auto-start wrist power gyro ball is compact, lightweight and doesn't take up much space, you can put it in your bag, pocket or hang it on your wrist so that you can exercise anytime and anywhere, it is ideal fitness equipment for wrist training and building muscles etc.