Huaker Wrist Trainer Ball Auto-Start Excerises Arm Strengthener Essential Gyroscopic Wrist and Forearm Exerciser Wrist Ball for Stronger Muscle and Bones Workout

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About Huaker Wrist Trainer Ball Auto-Start Excerises Arm

What is the Wrist Ball The wrist ball is the fastest artificial power device in the world. It is purely mechanical, does not use batteries and any power supply, has no electromagnetic radiation, and rotates the core at a high speed by the rotation of the wrist, thereby generating wrist ball. Through artificial control, the rhythm and speed of the core rotation can be adjusted arbitrarily. The faster the speed, the greater the force generated. It can be equivalent to 50 dumbbells of different weights. There are about 14kg of force at 8000 rpm, and about 22kg at 10,000 rpm. power. The world record has exceeded 20,000 rpm. Because of generated by high-speed rotation, it is very helpful to exercise the strength and toughness of fingers, wrists and arms. It combines sports, entertainment and fitness into one, and is increasingly favored and loved by people all over the world. Features: Type: Wrist Ball Function: Muscle Relax Apparatus Applicable Scene: Wrist Fitness Texture Of Material: PC Size: 2.83x2.32Inch Net Weight: About 250g How to Start it 1. Toggle the ball along the double direction arrow to the max resistance,then release it,fast enough to have the ball turn the LED on. 2. Turn your plam facing down, and slowly start to rotate, you will feel that it is scratching against the inside of the wrist ball. 3. Keep rotating with wrist then the ball will spin faster, develop a higher pitch sound. Once you feel it spinning fast enough, stop your rotate, you could feel it oscillating right in your palm. Tips : Do not touch the ball rotor when it is spinning at high speeds,it will burn. Not suitable for children under 10 years old whose hand strength insufficient to use the product Do not add any oil or moothy liquid into it which may cause it inoperation