The DFX Lighted Powerball Blue Gyro Exerciser offers a full-spectrum workout experience that combines high-performance training with a dazzling LED light display. Features: - The Powerball Blue delivers the strength-building power of up to 45 lbs of free weights - without the bulk - The Lighted Powerball Blue Gyro Exerciser has a gyro speed of 15,500 rpm and provides dynamic resistance training that strengthens wrists, arms, and shoulders while being gentle on joints - It offers therapeutic benefits for Carpal Tunnel relief, repetitive strain injuries, and post-injury rehabilitation - Improves grip strength, flexibility, and range of motion for enhanced coordination and overall hand and arm performance - Compact, portable, and easy to use anywhere, delivering measurable results in just minutes a day - Built-in blue LED lights provide visual feedback and motivation, making every session engaging and effective - Compatible with the Powerdock, Speed Meter, and Power Cord