Auto Start Without String Power Ball Wrist Ball Wrist Ball Wrist Exercises Force Ball Gyroscope Ball

Product Name: Auto Start Without String Power Ball Wrist Ball Wrist Ball Wrist Exercises Force Ball Gyroscope Ball with LED Light & Digital Counter Model NO.: powerball Material: ABS Appliance: Community, Park, Gymnasium, Home Exercise Part: Arm Certification: RoHS, ISO9001, CE Age Group: Adult Power Source: Manual Folded: Unfolded LED & Digital Counter: Yes Trademark: OEM/Customized Logo Transport Package: Carton Origin: Cn Product Description We are factory manufacturers, can provide various types of powerball wrist ball, can do customize logos and packages, welcome to send us inquiry, we will provide more information and price list to you, high-quality assurance, price concessions, We will reply you as soon as possible within 8 hours.Power AutoStart ball Gyroscopic Wrist and Forearm Exerciser with Auto Start FeatureExercise Anywhere Compact, hand-held Power Spinner spins at 15,000+ RPM up to 24.9 lb-in (or pounds-inch) of torque for an intense hand, wrist and forearm workout wherever you goAutoStart Feature Features an internal pre-tensioner that allows you to start and stop exercising as you please; Just roll back the rotor in the direction of the arrowPerformance Digital LCD Counter Battery-Free and Self-powered Digital display keeps track of your workout info, including historical top speed and more to keep you ahead of the game; being functional when you reach 3,000 RPMDesigned to Last Built with an impact-resistant structure, including a military-grade plastic shell and reversible inner tracks for a long lifeEasy to Use Easy even for beginners thanks to the battery-free design and intuitive AutoStart feature; Lightweight, portable and travel-friendlyPrecision Made by its inventor Computer balanced inner gyroscopic rotor with Stainless Steal AxleHave fun strengthening hands, wrists and forearms in just a minute a dayPower ball will give your hands, wrists and forearms a workout with resistance training. It can develop and shape your grip and forearm muscles to improve baseball, tennis, golf games and most sports. Burn fat and get rid of flabby arms. It may help prevent and relieve repetitive stress induced injuries like carpel tunnel syndrome, tendonitis and RSI. Power ball is a compact, simple way to isolation exercise without having to go to the gym. Lightweight, portable and perfect for traveling. It's a great gift for anyone with no time to work out.Roll'n SpinNo starter cord or external battery powered aid needed. We've made using the power ball to strengthen your wrist and arms easier than EVER. incorporates a pre-tensioner inside the gyroscope that allows for a simple roll back to spin up the gyro with enough momentum to get you started.Easy to UseOur powerball are a quick and effective way to increase your grip strength and an excellent complement to those who play sports. Professionals and amateurs alike can all benefit from our "One minute, One powerful hand" pledge!Auto start with internal pre-tensioner, incredible high speed up to 20,000 rotational speed per minute pass through testing. When the speed meet the minimum requirement, led will shinning