【Note】No Digital Counter,but have LED lights when you spinning the power ball.
【Good for Health】Efficiently rehabilitates wrist pain, humerus fracture, scaphoid fracture, radial head fracture, numbness in fingers, numb hands, fractured wrist, elbow tendonitis, broken bones, olecranon bursitis. Increases strength in fingers, wrists, hands, forearms, biceps, triceps, ligament and shoulders.
【More Suitable for Sports Training 】Highly beneficial grip strength trainer for golf, tennis, climbing, cycling, basketball, cricket, martial arts and with improved playing performance for pianists, drummers & guitarists.
【Make Exercise & Add Fun】Novelty design with LED lights, which is fun to see how fast you can get it spinning. Cool LED lights inside will light up while spinning, no battery needed,powered by rotating the wrist. Rehabilitates sore muscles, Kill the time & Add fun !
【LED lights when spinning】Simple to start with a pull-string. Impact resistant structure with military-grade plastic shell. The LED light is not powered by batteries. It''s battery free. No need to worry about power running out. It will keep lighting up as long as it''s spinning.

Technical Details

Product Details

Package Dimensions
Width : 3.19 inch
Height : 3.19 inch
Length : 4.02 inch

Shipping Weight: 11.2 ounce (View shipping rates and policies)

ASIN : B071DM1T1S

Product Description

【Good for Health】
* 1) It is a very interesting toys to make your forearm sore and gets the blood going. For Medial Epicondylitis, Prevent Tendonitis and Improve Grip Strength, Relieve Pain From Tennis Elbow, Golfers Elbow, and Tendinitis, Medium, Intermediate
* 2) Powerball Wrist Ball Toys Hand Grip Strengthener ;Hand Grip Exerciser;Relieve Stress ---Anti Stress Anti anxiety for EDC, ADHD, Children, Teens, Student and Adults
* 3) Highly recommend to anyone,So, on your 5 minute break take it out and give it a go. You will be impressed on what this device can do for you. It works on your grip, forearm, and blood flow you will be amazed.
* 4. The Forceball can generate between 1 and 30 pounds of resistance by spinning at almost 10,000 rpms.
* 5. The more exciting part, this exercise ball lights up when it''s spinning! And the LED light is not powered by batteries but your spinnin. It''s battery free.No need to worry about power running out!!
【 How to Start it】
* 1) Pull off the plastic insulation before use,press the buttom ON/CLR.( Digital Counter)
* 2) Insert the red string( Included) into the hole, wind it up, and pull straight down, fast enough to have the gyroscope turn the LED on.
* 3) Turn your hand facing down, and slowly start to rotate,you will feel that it is scratching against the inside of the wrist ball.
* 4) Keep rotating your wrist and the gyroscope will spin faster, develop a higher pitch sound. Once you feel it spinning fast enough, stop your hand , you could feel it oscillating right in your palm.
If the counter doesn''t work, please check the battery plate,re-install it.
【Package】
1x Forceball with LED
1x Starting Cord
1x Hand Strap
1x User Manual