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Odometer Booster Power LED Wrist Ball Grip The Ball 5COLORS
Wrist Power Force Ball Arm Exercise Gyroscope 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.
Internal LED bulbs will 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.
Strengthen fingers, wrists, hands, forearms, shoulders and bicep etc., and also be beneficial in promoting co-ordination and blood circulation.
Rehabilitates sore muscles and joint, great for musicians, guitarists, pianists, drummers.
Counter function allows you to check your rotating speed.
Simple to start with a pull-string.
Material: PC + PP
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
1 x Wrist ball
1 x Starting rope
1 x Wrist strap
1 x English instruction
Color Black, Color Blue, Color Green, Color Purple, Color Red, Color White, Color Orange