NSTRUCTIONS FOR OPERATION: First rotate your hands along the arrow for a few circles, then put them in the palm of your hand and start operating against the direction of rotation. The faster you move, the faster the fitness wrist ball will rotate
STRESS RELIEF: For long time sitting on the computer and keep a stiff postures, your wrist needs some chilling time, so does your mind. This wrist training ball more than can flexible your wrist joints, but also can relax your mind and make you unwind for sometime.
FITNESS WRIST BALL: New designed fitness wrist ball, wrist twristing trainer to improve the fleibility of wrist, also a nice wrist warm up ball before start formal training. Creative auto-start spiraling design, the built in rotatable ball will spin with the speed of your wrist twisting frenquency, the faster you wrist twisting, the faster the ball rotate. The rotataion speed also make the color lights on, funner training ball for all.
VERSATILE WORKOUT: The wrist trainer ball can be used for a variety of exercises, including finger flexibility, forearm curls, and grip strengthening exercises. It is also suitable for rehabilitation after an injury.
EASY TO CARRY: Compact and portable size, 7cm diameter ball, perfect for most people's hands, also coming with a wrist strap which allow you can conveniently attach the ball on your hand.