Banggood LED Gyroscopic Wrist Ball Autostart Range Gyro Power Wrist Ball Arm Hand Muscle Force Trainer

Specification:Ball Core Material: Zinc AlloySize: 70*70*55 (Mm)Shell Material: Polycarbonate SiliconeNet Weight: 270gNote:1. The wrist ball is a relatively precise exercise equipment. Please be careful not to fall when using it.2. Avoid getting foreign objects into the ball when using it.Features:-Wall rope protection Wear the special wrist rope safely when using to prevent the ball core from flying out too fast due to excessive force.-Metal core, zinc alloy coal core beautiful appearance, moderate weight, solid, beautiful and durable.-Rotation frequency can be controlled, smooth and more decompression wrist rotation faster, the stronger the strength, the weaker the strength, the internal self-exciting rod structure optimization is smoother, lower noise.-Lighting cool flash, with the speed of the ball heart, the internal light / light band color will be more colorful, make the movement more interesting. Products Include: Wrist Force Ball*1 Wristband*1 Instruction Manual*1