Wrist Trainer Ball Auto - Start Wrist Strengthener Gyroscopic Forearm E

Description: * Starting design : Use the thumb of both hands to push the movement in the direction of the arrow of the inner ball , started by the internal spring , no rope , no power supply , simple and environmentally friendly .* Working principle : Through the rotation of the wrist to drive the ball core high - speed rotation . The centrifugal force generated by the rotation of the ball core causes the wrist to feel a certain resistance .* Control power : By artificially controlling the rotation speed of the wrist , you can adjust the rotation rhythm of the ball core and the generated force .* Built - in LED light : When the wrist ball rotates quickly , the dazzling light will light up . Add fun to your workout .* Suitable size : Can be carried anywhere , whether it is in the office , the gym or at home , can always exercise tools , or a good stress reduction toy .* Exercise : Wrist power ball can mainly exercise the muscle groups of fingers , wrists , arms and other parts , including the strength and flexibility of forearm muscles , biceps , triceps and deltoid muscles .* After - sales service : If you encounter any problems , please contact us through the message center , we will give timely help and properly solve . Thank you for your support ! Product Description The video showcases the product in use . The video guides you through product setup . The video compares multiple products . The video shows the product being unpacked .

Price: 22.17 USD

Location: Denver, Colorado

End Time: 2024-11-28T15:44:34.000Z

Shipping Cost: 0 USD