Sports & Outdoors > Exercise & Fitness > Strength Training Equipment > Strength Training Devices > Wrist & Forearm Strengtheners

YANGHX Wrist Trainer Arm Exercise Force Ball with LED Lighting & Speed Meter

Product ID: B01H4P2BD2 Condition: New

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Product Description

All you need do is to increase the speed by making a rotational wrist movement and to keep in sync with the spinning of the ball.The faster you spin the harder your muscles work.
Light up when the ball is in motion.Small, compact and transportable, you can take anywhere.
It is powered by rotating the wrist and the speed can reach up to 12.000RPM.Counter function allows you to check your rotating speed.
Strengthen fingers, wrists, hands, forearms, shoulders and bicep etc., and also be beneficial in promoting co-ordination and blood circulation.
Simple to start with a pull-string.Rehabilitates sore muscles and joint, great for musicians, guitarists, pianists, drummers.

Description:
Wrist ball doesn 't need battery, it is powered by rotating the wrist, all you need do is to increase the speed by making a rotational wrist movement and the speed of rotation can reach up to 12,000 R.P.M. The Forceball can generate between 1 and 30 pounds of resistance by spinning at almost 12,000 rpms.
The faster you spin, the harder your muscles exercise. and when you spin the LED lights inside the ball will be flashing.

Package include:
1x Forceball with LED speed meter
1x Starting rope
1x Hand strap
1x User manual