- Material: The wrist ball adopts zinc alloy electroplated metal core, purely mechanical design, without any battery power through physical power generation, the rotation of the core can be adjusted arbitrarily by human control, no electromagnetic radiation, 100% vibration-free, speed up to 12,000rpm
- The wrist ball has two start lines, which can be activated quickly and easily every time. Take this pocket-sized fitness gadget with you wherever you go for a comprehensive workout
- Speed is power-the faster you spin, the stronger the resistance. Use the wrist ball at a medium to fast rotation speed for 3-5 minutes a day to strengthen and train your grip, wrist and forearm muscles
- Use the wrist ball at a slower speed for soothing rehabilitation, and exercise through the wrist ball can relieve the discomfort caused by the mouse, promote bone development, strong grip, and finger flexibility
- Redefine your sports and musical skills – ideal for golf, tennis, cycling, office crowd and all other sports that require wrist exercise. Wrist balls enhance the strength of your fingers and wrists to achieve a strong grip and improve The flexibility of the fingers makes it a must-have for all athletes
