LED Gyro Power Ball Auto Start Range Gyro Power Wrist Ball With Meter Arm Hand Muscle Strength Trainer Portabl Fitness Equipment Specifications: Stainless steel chrome housing auto start Yields up to 61 kg 10% smaller than other models Enhance and Repair Type: wrist ball Function: Muscle relaxant Name: Powerball Wrist Ball Training LED Gyroscope Type: Sports Equipment Good for: Multi-Gymnastics, Tennis, Squash, Cycling and Mountaineering Specialties: Home Education Gym Accessories: Yes Isometric Training: Powerball is designed to work the arms in an isometric manner, complementing any strength training program. Maximum Resistance: The maximum rotational speed of Powerball is 12,000 rpm and it can generate up to 32 kg of resistance, making it an effective tool for building wrist and arm strength. Versatility: Powerball can be used for slow spins for gentle recovery or fast spins for forearm workouts lasting no more than 60 seconds, making it suitable for various sports and activities. Music Improvement: If you play music, Powerball can help improve agility, speed, accuracy, and stamina. Widely used: Powerball is suitable for use in various sports and activitie