Wrist Trainer Arm Exercise Force Ball with LED Lighting & Speed Meter
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.
$14.50
Specifications:
Material: PC + PP
Color: Blue
Item size: 7.3 * 6.1cm/ 2.9 * 2.4in(D * H)
Item weight: 272g/ 9.6oz
Package size: 10 * 8 * 7.8cm/ 3.9 * 3.1 * 3.1in
Package weight: 322g/ 11.4oz
Package list:
1 * Wrist ball
1 * Starting rope
1 * Wrist strap
1 * English instruction
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.
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